avahi: avoid depending on skipped package
When built without D-Bus, libavahi-client is not build:
Building libavahi-client: no (You need avahi-daemon and D-Bus!)
which causes avahi-dev RDEPENDS failing when creating an image
containing development-tools:
* - nothing provides libavahi-client = 0.7-r0 needed by avahi-dev-0.7-r0.cortexa8hf-neon
(From OE-Core rev:
319532792435be73e96c8319e90336e1298ac2a1)
Signed-off-by: Jens Rehsack <sno@netbsd.org>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>