MIPS: Netlogic: Add support for XLP5XX

Add support for the XLP5XX processor which is an 8 core variant of the
XLP9XX. Add XLP5XX cases to code which earlier handled XLP9XX.

Signed-off-by: Yonghong Song <ysong@broadcom.com>
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6871/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/netlogic/mips-extns.h b/arch/mips/include/asm/netlogic/mips-extns.h
index 38af905..06f1f75 100644
--- a/arch/mips/include/asm/netlogic/mips-extns.h
+++ b/arch/mips/include/asm/netlogic/mips-extns.h
@@ -148,7 +148,8 @@
 {
 	uint32_t prid = read_c0_prid() & PRID_IMP_MASK;
 
-	if (prid == PRID_IMP_NETLOGIC_XLP9XX)
+	if ((prid == PRID_IMP_NETLOGIC_XLP9XX) ||
+			(prid == PRID_IMP_NETLOGIC_XLP5XX))
 		return (__read_32bit_c0_register($15, 1) >> 7) & 0x7;
 	else
 		return (__read_32bit_c0_register($15, 1) >> 5) & 0x3;