lxd/instance: Pass instanceType to validConfigKey
lxd/instance: Pass instanceType to validConfigKey

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>
Signed-off-by: Sascha Bast <757d6a6bfb5c29713c6a1644cc2243a6703b8058@mischkonsum.org>

atxwebs/lxd,atxwebs/lxd,stgraber/lxd,stgraber/lxd,stgraber/lxd,hallyn/lxd,atxwebs/lxd,hallyn/lxd,lxc/lxd,stgraber/lxd,stgraber/lxd,stgraber/lxd,lxc/lxd,hallyn/lxd,lxc/lxd,lxc/lxd,hallyn/lxd,lxc/lxd,lxc/lxd,stgraber/lxd,hallyn/lxd,hallyn/lxd,atxwebs/lxd,lxc/lxd