Create cache image

Change-Id: Iaf4e85be60a972f7ed19730aa8330a95dcb3814f
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 6512652..c2104a8 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -73,8 +73,9 @@
 BOARD_BOOTIMAGE_PARTITION_SIZE := 23068672 # 22M
 BOARD_RECOVERYIMAGE_PARTITION_SIZE := 23068672 # 22M
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 880803840 # 840M
-
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 6189744128 # 5.9G
+BOARD_CACHEIMAGE_PARTITION_SIZE := 738197504 # 704 MByte
+BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 131072 # (BOARD_KERNEL_PAGESIZE * 64)
 
 BOARD_USES_SECURE_SERVICES := true