scripts/image: pass UUID_SYSTEM to mkimage

scripts/image

@@ -38,7 +38,8 @@ function do_mkimage() {
     KERNEL_NAME="$KERNEL_NAME" \
     TARGET_KERNEL_ARCH="$TARGET_KERNEL_ARCH" \
     RELEASE_DIR="$RELEASE_DIR" \
-    UUID_STORAGE="$(uuidgen)" \
+    UUID_SYSTEM="$UUID_SYSTEM" \
+    UUID_STORAGE="$UUID_STORAGE" \
     DISTRO_BOOTLABEL="$DISTRO_BOOTLABEL" \
     DISTRO_DISKLABEL="$DISTRO_DISKLABEL" \
     UBOOT_SYSTEM="$UBOOT_SYSTEM" \
@@ -311,6 +312,9 @@ if [ "$1" = "release" -o "$1" = "mkimage" -o "$1" = "amlpkg" -o "$1" = "noobs" ]
       INSTALL_SRC_DIR="$PROJECT_DIR/$PROJECT/install"
     fi
 
+    UUID_SYSTEM="$(date '+%d%m')-$(date '+%M%S')"
+    UUID_STORAGE="$(uuidgen)"
+
     do_mkimage
   fi