Enable Fastboot(UUU) for O4-iMX6ULL-NANO boards

Make O4-iMX6ULL-NANO-based board compatible with Yocto layer meta-out4 and
fix device flashing by UUU (aka MFG Tools).

Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
diff --git a/configs/o4-imx6ull-nano_defconfig b/configs/o4-imx6ull-nano_defconfig
index 384e682..e8071cb 100644
--- a/configs/o4-imx6ull-nano_defconfig
+++ b/configs/o4-imx6ull-nano_defconfig
@@ -57,3 +57,8 @@
 CONFIG_USB_GADGET=y
 CONFIG_CI_UDC=y
 CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_FASTBOOT_MMC_BOOT_SUPPORT=y
+CONFIG_FASTBOOT_MMC_USER_SUPPORT=y
+CONFIG_FASTBOOT_UUU_SUPPORT=y
+CONFIG_USB_GADGET_PRODUCT_NUM=0x0001
+CONFIG_USB_GADGET_VENDOR_NUM=0x3016