update linux kernel patch to enable backlight as default

guowenxue

2022-06-12 7d0050c7c7490a1c5790c7fae04ccb68b12846e6

 bsp/drivers/build.sh

@@ -23,6 +23,11 @@
        return ;
    fi

   if [ -s ${WIFI_SRC}/rtl8188fu.ko ] ; then
      pr_warn "Build for USB WiFi driver already."
      return ;
   fi

    pr_warn "Build for USB WiFi driver"

    cd ${WIFI_SRC}