Added support for USB mounting both - internal and external SD

Author: C3C0

BoardConfig.mk

@@ -30,6 +30,7 @@ CWM_EMMC_RECOVERY_DEVICE_NAME := /dev/recovery
 CWM_EMMC_RECOVERY_DEVICE_SIZE := 0x00600000
 CWM_EMMC_UBOOT_DEVICE_NAME := /dev/uboot
 CWM_EMMC_UBOOT_DEVICE_SIZE := 0x00060000
+TARGET_USE_CUSTOM_LUN_FILE_PATH := /sys/devices/platform/mt_usb/gadget/lun%d/file
 
 # Partition sizes
 BOARD_BOOTIMAGE_PARTITION_SIZE := 0x00600000