platform/target: msm8996: Add support for new mem map

PIL region has increased in the latest version of the memory map, update
the page tables to move LK out of PIL region.

Change-Id: I04918eee55e307b72efdc340ca4c4498db59ea67
diff --git a/target/msm8996/rules.mk b/target/msm8996/rules.mk
index fa207a4..49bacca 100644
--- a/target/msm8996/rules.mk
+++ b/target/msm8996/rules.mk
@@ -8,13 +8,13 @@
 
 PLATFORM := msm8996
 
-MEMBASE := 0x91000000 # SDRAM
+MEMBASE := 0x91600000 # SDRAM
 MEMSIZE := 0x00400000 # 4MB
 
 BASE_ADDR    := 0x0000000
 
-SCRATCH_ADDR := 0x91600000
-SCRATCH_SIZE := 746
+SCRATCH_ADDR := 0x91C00000
+SCRATCH_SIZE := 740
 # LPAE supports only 32 virtual address, L1 pt size is 4
 L1_PT_SZ     := 4
 L2_PT_SZ     := 3