meta-openpower: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: I48c062226275c6e110bde27e815d2643c369c14c
diff --git a/meta-openpower/recipes-phosphor/logging/openpower-libhei_git.bb b/meta-openpower/recipes-phosphor/logging/openpower-libhei_git.bb
index 183e2ed..d45d95f 100644
--- a/meta-openpower/recipes-phosphor/logging/openpower-libhei_git.bb
+++ b/meta-openpower/recipes-phosphor/logging/openpower-libhei_git.bb
@@ -13,7 +13,7 @@
 
 S = "${WORKDIR}/git"
 
-inherit meson
+inherit pkgconfig meson
 inherit perlnative
 
 DEPENDS = "libxml2-native libxml-simple-perl-native libjson-perl-native"