build/config/rtl8721csm: Enable BCH for kernel binary update
The kernel binary is updated with ftl, BCH driver(Block-to-Character) to access flash.
So enable BCH driver for kernel binary update.
@@ -415,7 +415,7 @@ CONFIG_GPIO=y
# LCD Driver Support
#
# CONFIG_LCD is not set
-# CONFIG_BCH is not set
+CONFIG_BCH=y
# CONFIG_RTC is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_DEVPATH="/dev/watchdog0"
