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/drivers/fastboot/Makefile b/drivers/fastboot/Makefile
index 8831096..a242156 100644
--- a/drivers/fastboot/Makefile
+++ b/drivers/fastboot/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier:      GPL-2.0+
 
 obj-y += fb_common.o
-obj-$(CONFIG_UDP_FUNCTION_FASTBOOT) += fb_getvar.o
-obj-$(CONFIG_UDP_FUNCTION_FASTBOOT) += fb_command.o
+obj-y += fb_getvar.o
+obj-y += fb_command.o
 obj-$(CONFIG_FASTBOOT_FLASH_MMC) += fb_mmc.o
 obj-$(CONFIG_FASTBOOT_FLASH_NAND) += fb_nand.o