90multipath: check() - Regexp fix to match multipath partition.

A multipath partition's uuid will be presented like:
 # cat /sys/dev/block/$_dev/dm/uuid
 part1-mpath-360060e801047103004f2c4b300000008

So in this case, change the match regexp from '^mpath-' to 'mpath-'.

Signed-off-by: Chao Wang <chaowang@redhat.com>

modules.d/90multipath/module-setup.sh

@@ -11,7 +11,7 @@ check() {
         local _dev
         _dev=$(get_maj_min $1)
         [ -e /sys/dev/block/$_dev/dm/uuid ] || return 1
-        [[ $(cat /sys/dev/block/$_dev/dm/uuid) =~ ^mpath- ]] && return 0
+        [[ $(cat /sys/dev/block/$_dev/dm/uuid) =~ mpath- ]] && return 0
         return 1
     }