MIPS: Netlogic: Fix uniprocessor compilation

The macros in topology.h need CONFIG_SMP, and the uniprocessor compilation
fails due to this. Wrap the macros in an ifdef so that uniprocessor works.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/6863/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>