[target/(msm7627,qsd8250)]: Add support to boot into recovery mode and bootloader fastboot mode

Add recovery partition in page table entry for 7627_surf and 7627_ffa targets.
Add code support to boot into recovery mode using the Home_key.
Add code support to boot into recovery and bootloader (fastboot) mode using adb shell reboot commands.
diff --git a/target/qsd8250_surf/rules.mk b/target/qsd8250_surf/rules.mk
index fd3f974..de54dfd 100644
--- a/target/qsd8250_surf/rules.mk
+++ b/target/qsd8250_surf/rules.mk
@@ -1,6 +1,6 @@
 LOCAL_DIR := $(GET_LOCAL_DIR)
 
-INCLUDES += -I$(LOCAL_DIR)/include
+INCLUDES += -I$(LOCAL_DIR)/include -I$(LK_TOP_DIR)/platform/msm_shared
 
 PLATFORM := qsd8k