MIPS: Netlogic: Identify XLP 9XX chip

Adds processor ID of XLP 9XX to asm/cpu.h.  Update netlogic/xlp-hal/xlp.h
to add cpu_is_xlp9xx() and to update cpu_is_xlpii() to support XLP 9XX.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6274/
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 32db114..530f832 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1031,6 +1031,7 @@
 
 	switch (c->processor_id & PRID_IMP_MASK) {
 	case PRID_IMP_NETLOGIC_XLP2XX:
+	case PRID_IMP_NETLOGIC_XLP9XX:
 		c->cputype = CPU_XLP;
 		__cpu_name[cpu] = "Broadcom XLPII";
 		break;