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/chromebook_minnie_defconfig b/configs/chromebook_minnie_defconfig
index 706809c..a8776c9 100644
--- a/configs/chromebook_minnie_defconfig
+++ b/configs/chromebook_minnie_defconfig
@@ -17,8 +17,6 @@
 CONFIG_SPL_STACK_R=y
 CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x2000
 CONFIG_SPL_SPI_LOAD=y
-CONFIG_FASTBOOT_FLASH=y
-CONFIG_FASTBOOT_FLASH_MMC_DEV=0
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
@@ -45,6 +43,9 @@
 # CONFIG_SPL_SIMPLE_BUS is not set
 CONFIG_CLK=y
 CONFIG_SPL_CLK=y
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=0
+CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
 CONFIG_ROCKCHIP_GPIO=y
 CONFIG_I2C_CROS_EC_TUNNEL=y
 CONFIG_SYS_I2C_ROCKCHIP=y