Build:IGKBoard-All: Add readme document

guowenxue

2024-05-06 f1cee2c6ed29108e34f766700c14111702a22ea0

 kernel/patches/gen_patch.sh

@@ -58,7 +58,6 @@

if [ $# != 1 ] ; then
    pr_info "$0 usage example:"
    pr_info "$0 uboot-imx/"
    pr_info "$0 linux-imx/"
    exit
fi