Reduce Cache partition size to 40MB

Change-Id: I72796c686922697fbdf6faac5ba6da43d4d2c525
Signed-off-by: Vasanthakumar Pandurangan <vasanth@codeaurora.org>

patch/ics_strawberry/bootable/bootloader/lk/set_cache_size_40MB.patch

+diff --git a/target/msm7627a/init.c b/target/msm7627a/init.c
+index 896eef9..ee8ff79 100644
+--- a/target/msm7627a/init.c
++++ b/target/msm7627a/init.c
+@@ -134,7 +134,7 @@ static struct ptentry board_part_list_sku3[] = {
+ 	 },
+ 	{
+ 	 .start = DIFF_START_ADDR,
+-	 .length = 80 /* In MB */ ,
++	 .length = 40 /* In MB */ ,
+ 	 .name = "cache",
+ 	 },
+ 	{