MIPS: Netlogic: Add XLP makefiles and config

- Add CPU_XLP and NLM_XLR_BOARD to arch/mips/Kconfig for Netlogic XLP boards
- Update mips Makefiles to add XLP

Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2968/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/netlogic/Platform b/arch/mips/netlogic/Platform
index 7811b10..cdfc9ab 100644
--- a/arch/mips/netlogic/Platform
+++ b/arch/mips/netlogic/Platform
@@ -8,6 +8,7 @@
 # use mips64 if xlr is not available
 #
 cflags-$(CONFIG_CPU_XLR)	+= $(call cc-option,-march=xlr,-march=mips64)
+cflags-$(CONFIG_CPU_XLP)	+= $(call cc-option,-march=xlp,-march=mips64r2)
 
 #
 # NETLOGIC processor support