db845c: Set the flash block size to 4096

While running system/core/fs_mgr/tests/adb-remount-test.sh
device-mapper reports h/w logical block size to be 4096.
So updating the BOARD_FLASH_BLOCK_SIZE accordingly.

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Change-Id: Ia300194969da0bfb5ab47b77b130da7be3acc577
diff --git a/db845c/BoardConfig.mk b/db845c/BoardConfig.mk
index 25187de..38f086b 100644
--- a/db845c/BoardConfig.mk
+++ b/db845c/BoardConfig.mk
@@ -40,7 +40,7 @@
 BOARD_BOOTIMAGE_PARTITION_SIZE := 103079215104 #96M
 BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE := 103079215104 #96M
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 21474836480 #20G
-BOARD_FLASH_BLOCK_SIZE := 512
+BOARD_FLASH_BLOCK_SIZE := 4096
 # Super partition
 BOARD_SUPER_PARTITION_SIZE := 12437225472
 BOARD_DB_DYNAMIC_PARTITIONS_SIZE := 12433031168 # Reserve 4M for DAP metadata