msm7627a: Increase system partition size for 8 bit bch ecc NAND

Change-Id: Icab435f67ebfe8e7be527063f141b3e044a5de51
diff --git a/target/msm7627a/init.c b/target/msm7627a/init.c
index 505cbd0..f88b10a 100644
--- a/target/msm7627a/init.c
+++ b/target/msm7627a/init.c
@@ -113,7 +113,7 @@
 	},
 	{
 		.start = DIFF_START_ADDR,
-		.length = 120 /* In MB */,
+		.length = 150 /* In MB */,
 		.name = "system",
 	},
 	{