powerpc/85xx: l2sram - Add compatible entry for mpc8548 L2 controller

Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c
index 1957e532..cedabd0 100644
--- a/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c
+++ b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c
@@ -201,6 +201,9 @@
 	{
 		.compatible = "fsl,p1022-l2-cache-controller",
 	},
+	{
+		.compatible = "fsl,mpc8548-l2-cache-controller",
+	},
 	{},
 };