msm8960: Cache scratch address & enable 8bit mode for mmc driver

Change-Id: I7bac3066a7fe41db9e760953176f4b44a80148c4
diff --git a/platform/msm8960/platform.c b/platform/msm8960/platform.c
index 74bedd8..9ad7459 100644
--- a/platform/msm8960/platform.c
+++ b/platform/msm8960/platform.c
@@ -80,7 +80,7 @@
 /*  Physical addr,    Virtual addr,    Size (in MB),    Flags */
 	{MEMBASE, MEMBASE, (MEMSIZE / MB), LK_MEMORY},
 	{BASE_ADDR, BASE_ADDR, 44, KERNEL_MEMORY},
-	{SCRATCH_ADDR, SCRATCH_ADDR, 128, SCRATCH_MEMORY},
+	{SCRATCH_ADDR, SCRATCH_ADDR, 768, SCRATCH_MEMORY},
 	{MSM_IOMAP_BASE, MSM_IOMAP_BASE, MSM_IOMAP_SIZE, IOMAP_MEMORY},
 	{MSM_IMEM_BASE, MSM_IMEM_BASE, 1, IMEM_MEMORY},
 };