Bug 1233: Accept vca argument in installer script

This fixes bug 1233 which caused the full_install_osm.sh
to not recognize the vca argument which is for the charmed
installation.

Bug: https://osm.etsi.org/bugzilla/show_bug.cgi?id=1233


Change-Id: Id5c653fa7ea543d946bdd7ae4fcdad3d431e9099
Signed-off-by: Dominik Fleischmann <dominik.fleischmann@canonical.com>

installers/full_install_osm.sh

@@ -1612,6 +1612,7 @@ while getopts ":b:r:c:n:k:u:R:D:o:O:m:N:H:S:s:w:t:U:P:A:l:L:K:-: hy" o; do
             [ "${OPTARG}" == "lxd" ] && continue
             [ "${OPTARG}" == "lxd-cred" ] && continue
             [ "${OPTARG}" == "microstack" ] && continue
+            [ "${OPTARG}" == "vca" ] && continue
             [ "${OPTARG}" == "ha" ] && continue
             [ "${OPTARG}" == "tag" ] && continue
             [ "${OPTARG}" == "pla" ] && INSTALL_PLA="y" && continue