meta-fii: fii-ipmi: Fix missing dependency

e.g.
| CMake Error at /opt/openbmc/build/kudo/tmp/work/armv7a-openbmc-linux-gnueabi/fii-ipmi-oem/git-r0/recipe-sysroot-native/usr/share/cmake-3.21/Modules/FindPackageHandleStandardArgs.cmake:230 (message):
|   Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE)

Change-Id: Ie9667094c782072614ff5dccd61a1cf31ebd5589
Signed-off-by: Peter Foley <pefoley@google.com>
diff --git a/meta-fii/meta-kudo/recipes-kudo/ipmi/fii-ipmi-oem_git.bb b/meta-fii/meta-kudo/recipes-kudo/ipmi/fii-ipmi-oem_git.bb
index 536079f..e78f9b7 100644
--- a/meta-fii/meta-kudo/recipes-kudo/ipmi/fii-ipmi-oem_git.bb
+++ b/meta-fii/meta-kudo/recipes-kudo/ipmi/fii-ipmi-oem_git.bb
@@ -8,7 +8,7 @@
 
 DEPENDS = "boost phosphor-ipmi-host phosphor-logging systemd libgpiod"
 
-inherit cmake obmc-phosphor-ipmiprovider-symlink
+inherit cmake pkgconfig obmc-phosphor-ipmiprovider-symlink
 
 EXTRA_OECMAKE="-DENABLE_TEST=0 -DYOCTO=1"