obmc-phosphor-fand.bb: inherit pkgconfig

The Makefile for obmc-phosphor-fand uses pkg-config but the recipe file
wasn't making sure that command was available during the build, leading
to errors.

Resolves openbmc/openbmc#3017

Tested: Built obmc-phosphor-fand for evb-ast2500 without errors.

Change-Id: Id1dc3c327f84d7f662210a29c96d4a93e4bc4600
Signed-off-by: Benjamin Fair <benjaminfair@google.com>
diff --git a/meta-phosphor/common/recipes-phosphor/fans/obmc-phosphor-fand.bb b/meta-phosphor/common/recipes-phosphor/fans/obmc-phosphor-fand.bb
index 89ab368..6faab00 100644
--- a/meta-phosphor/common/recipes-phosphor/fans/obmc-phosphor-fand.bb
+++ b/meta-phosphor/common/recipes-phosphor/fans/obmc-phosphor-fand.bb
@@ -2,6 +2,7 @@
 DESCRIPTION = "Phosphor OpenBMC fan management reference implementation."
 PR = "r1"
 
+inherit pkgconfig
 inherit obmc-phosphor-sdbus-service
 inherit obmc-phosphor-c-daemon