update linux-imx-igkboard.patch, 40pin header all can work now

guowenxue

2022-04-14 46a6b6c1bf0c49b04184a2ef757bd7788c47ce22

 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 -