add copyright in expand_rootfs pinctrl

guowenxue

2022-05-17 3204284d4ac925765ee1f01607126031ff219bcd

 bsp/kernel/build.sh

@@ -80,8 +80,10 @@
    pr_warn "Clean ${KERNEL_SRC} source code"

    cd ${KERNEL_SRC}
    make savedefconfig
    mv defconfig arch/arm/configs/$defconf
    if [ -f .config ] ; then
        make savedefconfig
        mv defconfig arch/arm/configs/$defconf
    fi
    make distclean
    cd -