MIPS: Add cases for CPU_I6400

Add a CPU_I6400 case to various switch statements, doing the same thing
as for CPU_P5600.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10635/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index 81f5895..3c9ec3d 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -91,6 +91,7 @@
 	case CPU_INTERAPTIV:
 	case CPU_PROAPTIV:
 	case CPU_P5600:
+	case CPU_I6400:
 	case CPU_M5150:
 	case CPU_LOONGSON1:
 	case CPU_SB1: