usb: fastboot: Convert USB f_fastboot to shared fastboot

Convert USB fastboot code to use shared fastboot protocol.

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/Cubietruck_defconfig b/configs/Cubietruck_defconfig
index f0bb4c9..601eb3c 100644
--- a/configs/Cubietruck_defconfig
+++ b/configs/Cubietruck_defconfig
@@ -21,6 +21,7 @@
 # CONFIG_SPL_PARTITION_UUIDS is not set
 CONFIG_SCSI_AHCI=y
 CONFIG_DFU_RAM=y
+CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_RGMII=y
 CONFIG_SUN7I_GMAC=y