MIPS: Netlogic: mach-netlogic include files

Add war.h and irq.h with XLR/XLS definitions.

Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2331/


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