Compile fix for MIPS, MIPS64, POWERPC and POWERPC64.

Add missing include files.

Differential Revision:	https://reviews.freebsd.org/D26254
Reviewed by:		melifaro@
MFC after:		1 week
Sponsored by:		Mellanox Technologies // NVIDIA Networking

sys/net/if_infiniband.c

@@ -29,6 +29,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <sys/param.h>
+#include <sys/kernel.h>
 #include <sys/types.h>
 #include <sys/systm.h>
 #include <sys/eventhandler.h>