Fix missing arch in ARM

Author: foursixnine

xml/obs/openSUSE:Factory:ARM.xml

@@ -6,7 +6,7 @@
     <batch name="base" archs="aarch64 armv7hl">
         <flavor name="Tumbleweed-NET" folder="images/local/*product*" iso="1">
             <repos>
-                <oss folder="0openSUSE" debug="{java*,kernel-default-debug*,kernel-default-base-debug*,mraa-debug*,wicked-debug*}" source="{coreutils*,yast2-network*}" mirror="1" dest="openSUSE-Tumbleweed-oss-$arch"/>
+                <oss folder="0openSUSE" debug="{java*,kernel-default-debug*,kernel-default-base-debug*,mraa-debug*,wicked-debug*}" source="{coreutils*,yast2-network*}" mirror="1" dest="openSUSE-Tumbleweed-oss-aarch64"/>
             </repos>
         </flavor>
     </batch>