diff -Nuar uboot-imx/Makefile uboot-imx-imx6ull/Makefile
--- uboot-imx/Makefile	2021-09-06 16:48:23.000000000 +0800
+++ uboot-imx-imx6ull/Makefile	2021-11-09 21:04:40.476902774 +0800
@@ -263,6 +263,9 @@
 CROSS_COMPILE ?=
 endif
 
+ARCH=arm
+CROSS_COMPILE=arm-linux-gnueabihf-
+
 KCONFIG_CONFIG	?= .config
 export KCONFIG_CONFIG