arm-autonomy/xenguest-manager: fix xenguest initscript stop sequence

This patch fixes an issue where xenguest initscript stop sequence was not
properly identifying the running guests.

Issue-Id: SCM-2772
Signed-off-by: Hugo L'Hostis <hugo.lhostis@arm.com>
Change-Id: I3ad88e00f48fab07f99936a10c0d1deb7459e83b
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-autonomy/recipes-extended/xenguest/files/xenguest-init

@@ -66,7 +66,7 @@ case "$1" in
   stop)
         echo "Stopping xenguest"
         # update guest list
-        guestlist=$(xenguest-manager status | grep Running | cut -d ":" -f1)
+        guestlist=$(xenguest-manager status | grep Running | cut -d " " -f1)
         for f in ${guestlist}; do
             xenguest-manager shutdown "${f}" --kill
         done