Check that patchwork directory gets created

src/freedombone-image-customise

     get_npm_arch
 
     git clone $PATCHWORK_REPO $rootdir/etc/patchwork
+    if [ ! -d $rootdir/etc/patchwork ]; then
+        exit 7823520
+    fi
     cd $rootdir/etc/patchwork
     git checkout $PATCHWORK_COMMIT -b $PATCHWORK_COMMIT
 
 EOF
     chroot "$rootdir" /bin/chmod +x /usr/bin/install_patchwork
     chroot "$rootdir" /usr/bin/install_patchwork
-    if [ ! -f /usr/bin/patchwork ]; then
-        if [ ! -f /usr/local/bin/patchwork ]; then
-            echo $'Unable to install SSB Patchwork peer'
-            exit 783524
-        fi
-    fi
     rm $rootdir/usr/bin/install_patchwork
 
     echo '#!/bin/bash' > $rootdir/usr/bin/start_patchwork