Add needed dependency to build occ-control

occ-control now runs sdbus++ and hence needs to include python

Change-Id: Ief2b0c126b3f94aeeebc467bf9acb03a956b4b27
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/occ/openpower-occ-control.bb b/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/occ/openpower-occ-control.bb
index 488f319..58c3735 100644
--- a/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/occ/openpower-occ-control.bb
+++ b/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/occ/openpower-occ-control.bb
@@ -5,7 +5,8 @@
 
 inherit autotools \
         pkgconfig \
-        obmc-phosphor-dbus-service
+        obmc-phosphor-dbus-service \
+        pythonnative
 
 require ${PN}.inc