[ARM] properly report mv78100 stepping A1

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
index 1b22e4a..08465eb 100644
--- a/arch/arm/mach-mv78xx0/common.c
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -845,6 +845,8 @@
 	} else if (dev == MV78100_DEV_ID) {
 		if (rev == MV78100_REV_A0)
 			return "MV78100-A0";
+		else if (rev == MV78100_REV_A1)
+			return "MV78100-A1";
 		else
 			return "MV78100-Rev-Unsupported";
 	} else if (dev == MV78200_DEV_ID) {
diff --git a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
index d715b92..788bdac 100644
--- a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
+++ b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
@@ -112,6 +112,7 @@
 
 #define MV78100_DEV_ID		0x7810
 #define MV78100_REV_A0		1
+#define MV78100_REV_A1		2
 
 #define MV78200_DEV_ID		0x7820
 #define MV78200_REV_A0		1