AndroidBoot: LK enablement for LAT branch.

Add change to enable LK build on LAT branch.

Change-Id: Idd2d46e3616d944f0f53d68343f5b6f53eac6d3c
diff --git a/AndroidBoot.mk b/AndroidBoot.mk
index efecfa5..0156c52 100644
--- a/AndroidBoot.mk
+++ b/AndroidBoot.mk
@@ -1,16 +1,24 @@
 #Android makefile to build lk bootloader as a part of Android Build
 
+ifeq ($(PRODUCT_IOT),true)
+  LK_PATH := hardware/bsp/bootloader/qcom/lk
+  CROOT_DIR := ../../../../..
+else
+  LK_PATH := bootable/bootloader/lk/
+  CROOT_DIR := ../../..
+endif
+
 ifeq ($(BOOTLOADER_GCC_VERSION),)
 ifndef $(2ND_TARGET_GCC_VERSION)
-CROSS_COMPILE := ../../../prebuilts/gcc/linux-x86/arm/arm-eabi-$(TARGET_GCC_VERSION)/bin/arm-eabi-
+CROSS_COMPILE := $(CROOT_DIR)/prebuilts/gcc/linux-x86/arm/arm-eabi-$(TARGET_GCC_VERSION)/bin/arm-eabi-
 else
-CROSS_COMPILE := ../../../prebuilts/gcc/linux-x86/arm/arm-eabi-$(2ND_TARGET_GCC_VERSION)/bin/arm-eabi-
+CROSS_COMPILE := $(CROOT_DIR)/prebuilts/gcc/linux-x86/arm/arm-eabi-$(2ND_TARGET_GCC_VERSION)/bin/arm-eabi-
 endif
 else # BOOTLOADER_GCC_VERSION defined
 ifeq ($(BOOTLOADER_GCC_VERSION),arm-linux-androideabi-4.9)
-CROSS_COMPILE := ../../../prebuilts/gcc/linux-x86/arm/$(BOOTLOADER_GCC_VERSION)/bin/arm-linux-androideabi-
+CROSS_COMPILE := $(CROOT_DIR)/prebuilts/gcc/linux-x86/arm/$(BOOTLOADER_GCC_VERSION)/bin/arm-linux-androideabi-
 else
-CROSS_COMPILE := ../../../prebuilts/gcc/linux-x86/arm/$(BOOTLOADER_GCC_VERSION)/bin/arm-eabi-
+CROSS_COMPILE := $(CROOT_DIR)/prebuilts/gcc/linux-x86/arm/$(BOOTLOADER_GCC_VERSION)/bin/arm-eabi-
 endif
 endif
 
@@ -34,7 +42,7 @@
 ifeq ($(EARLY_MOUNT_SUPPORT),true)
   ENABLE_BOOTDEVICE_MOUNT := ENABLE_BOOTDEVICE_MOUNT=1
 else
-  ENABLE_BOOTDEVICE_MOUNT := ENABLE_BOOTDEVICE_MOUNT=1
+  ENABLE_BOOTDEVICE_MOUNT := ENABLE_BOOTDEVICE_MOUNT=0
 endif
 
 ifeq ($(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_PM660),true)
@@ -63,6 +71,10 @@
   BUILD_VARIANT := USER_BUILD_VARIANT=true
 endif
 
+ifeq ($(TARGET_BOARD_PLATFORM),msm8x09)
+  BOOTLOADER_PLATFORM := msm8909
+endif
+
 ifeq ($(TARGET_BOARD_PLATFORM),msm8660)
   BOOTLOADER_PLATFORM := msm8660_surf
 endif
@@ -83,7 +95,7 @@
 # ELF binary for ABOOT
 TARGET_ABOOT_ELF := $(PRODUCT_OUT)/aboot.elf
 $(TARGET_ABOOT_ELF): ABOOT_CLEAN | $(ABOOT_OUT)
-	$(MAKE) -C bootable/bootloader/lk TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=../../../$(ABOOT_OUT) $(BOOTLOADER_PLATFORM) $(EMMC_BOOT) $(SIGNED_KERNEL) $(VERIFIED_BOOT) $(ENABLE_DISPLAY) $(ENABLE_BOOTDEVICE_MOUNT) $(DEVICE_STATUS) $(BUILD_VARIANT) $(BOARD_NAME) $(ENABLE_VB_ATTEST) $(OSVERSION_IN_BOOTIMAGE)
+	$(MAKE) -C $(LK_PATH) TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=$(CROOT_DIR)/$(ABOOT_OUT) $(BOOTLOADER_PLATFORM) $(EMMC_BOOT) $(SIGNED_KERNEL) $(VERIFIED_BOOT) $(ENABLE_DISPLAY) $(ENABLE_BOOTDEVICE_MOUNT) $(DEVICE_STATUS) $(BUILD_VARIANT) $(BOARD_NAME) $(ENABLE_VB_ATTEST) $(OSVERSION_IN_BOOTIMAGE)
 
 # NAND variant output
 TARGET_NAND_BOOTLOADER := $(PRODUCT_OUT)/appsboot.mbn
@@ -108,11 +120,11 @@
 
 # Top level for NAND variant targets
 $(TARGET_NAND_BOOTLOADER): appsbootldr_clean | $(NAND_BOOTLOADER_OUT)
-	$(MAKE) -C bootable/bootloader/lk TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=../../../$(NAND_BOOTLOADER_OUT) $(BOOTLOADER_PLATFORM) $(SIGNED_KERNEL) $(BOARD_NAME)
+	$(MAKE) -C $(LK_PATH) TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=$(CROOT_DIR)/$(NAND_BOOTLOADER_OUT) $(BOOTLOADER_PLATFORM) $(SIGNED_KERNEL) $(BOARD_NAME)
 
 # Top level for eMMC variant targets
 $(TARGET_EMMC_BOOTLOADER): emmc_appsbootldr_clean | $(EMMC_BOOTLOADER_OUT) $(INSTALLED_KEYSTOREIMAGE_TARGET)
-	$(MAKE) -C bootable/bootloader/lk TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=../../../$(EMMC_BOOTLOADER_OUT) $(BOOTLOADER_PLATFORM) EMMC_BOOT=1 $(SIGNED_KERNEL) $(VERIFIED_BOOT) $(ENABLE_DISPLAY) $(ENABLE_BOOTDEVICE_MOUNT) $(DEVICE_STATUS) $(BUILD_VARIANT) $(BOARD_NAME) $(ENABLE_VB_ATTEST) $(OSVERSION_IN_BOOTIMAGE) $(ENABLE_BG_SUPPORT)
+	$(MAKE) -C $(LK_PATH) TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=$(CROOT_DIR)/$(EMMC_BOOTLOADER_OUT) $(BOOTLOADER_PLATFORM) EMMC_BOOT=1 $(SIGNED_KERNEL) $(VERIFIED_BOOT) $(ENABLE_DISPLAY) $(ENABLE_BOOTDEVICE_MOUNT) $(DEVICE_STATUS) $(BUILD_VARIANT) $(BOARD_NAME) $(ENABLE_VB_ATTEST) $(OSVERSION_IN_BOOTIMAGE)
 
 # Keep build NAND & eMMC as default for targets still using TARGET_BOOTLOADER
 TARGET_BOOTLOADER := $(PRODUCT_OUT)/EMMCBOOT.MBN
@@ -133,4 +145,4 @@
 
 $(TARGET_NANDWRITE): nandwrite_clean | $(NANDWRITE_OUT)
 	@echo $(BOOTLOADER_PLATFORM)_nandwrite
-	$(MAKE) -C bootable/bootloader/lk TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=../../../$(NANDWRITE_OUT) $(BOOTLOADER_PLATFORM)_nandwrite BUILD_NANDWRITE=1
+	$(MAKE) -C $(LK_PATH) TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=$(CROOT_DIR)/$(NANDWRITE_OUT) $(BOOTLOADER_PLATFORM)_nandwrite BUILD_NANDWRITE=1