meta-phosphor:meson: pkgconfig inherit required

Upstream yocto made a change recently that brought to light a bug in
some of our recipes. If your meson makefiles utilize the dependency()
function then the recipe must also include pkgconfig.

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Ie85e2a3bd86010c2ce5d08c75fddc1ba348ff891
diff --git a/meta-phosphor/recipes-phosphor/dbus/phosphor-dbus-interfaces_git.bb b/meta-phosphor/recipes-phosphor/dbus/phosphor-dbus-interfaces_git.bb
index 59721ce..397d148 100644
--- a/meta-phosphor/recipes-phosphor/dbus/phosphor-dbus-interfaces_git.bb
+++ b/meta-phosphor/recipes-phosphor/dbus/phosphor-dbus-interfaces_git.bb
@@ -6,7 +6,7 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 
-inherit meson
+inherit pkgconfig meson
 inherit obmc-phosphor-utils
 inherit phosphor-dbus-yaml
 inherit python3native