AK3: add vendor_ramdisk support to simple vendor_boot support

- use vendor_ramdisk and vendor_patch directories in zip root to specify changes for vendor_boot flash

tools/ak3-core.sh

@@ -706,14 +706,16 @@ setup_ak() {
     ;;
   esac;
 
-  # automate multi-partition setup for boot_img_hdr_v3 + vendor_boot
+  # automate simple multi-partition setup for boot_img_hdr_v3 + vendor_boot
   cd $home;
-  if [ -e "/dev/block/bootdevice/by-name/vendor_boot$slot" -a -f dtb -a ! -f vndr_setup ]; then
+  if [ -e "/dev/block/bootdevice/by-name/vendor_boot$slot" -a ! -f vendor_setup ] && [ -f dtb -o -d vendor_ramdisk -o -d vendor_patch ]; then
     mkdir boot-files;
     mv -f Image* ramdisk patch boot-files;
     mkdir vendor_boot-files;
     mv -f dtb vendor_boot-files;
-    touch vndr_setup;
+    mv -f vendor_ramdisk vendor_boot-files/ramdisk;
+    mv -f vendor_patch vendor_boot-files/patch;
+    touch vendor_setup;
   fi;
 
   # allow multi-partition ramdisk modifying configurations (using reset_ak)
@@ -722,7 +724,7 @@ setup_ak() {
     if [ "$(ls $blockfiles 2>/dev/null)" ]; then
       cp -af $blockfiles/* $home;
     else
-      mkdir -p $blockfiles;
+      mkdir $blockfiles;
     fi;
     touch $blockfiles/current;
   fi;