checkpolicy: Add support for ibpkeycon labels

Add checkpolicy support for scanning and parsing ibpkeycon labels. Also
create a new ocontext for Infiniband Pkeys and define a new policydb
version for infiniband support.

Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
diff --git a/checkpolicy/policy_define.h b/checkpolicy/policy_define.h
index 9f4b6d0..75e3683 100644
--- a/checkpolicy/policy_define.h
+++ b/checkpolicy/policy_define.h
@@ -43,6 +43,7 @@
 int define_netif_context(void);
 int define_permissive(void);
 int define_polcap(void);
+int define_ibpkey_context(unsigned int low, unsigned int high);
 int define_port_context(unsigned int low, unsigned int high);
 int define_pirq_context(unsigned int pirq);
 int define_iomem_context(uint64_t low, uint64_t high);