net: sh-eth: Add support R8A7794

R8A7794 has the same sh-ether IP core as other SH/rmobile.
This patch adds support of R8A7794.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
index d0d9aaa..e325a39 100644
--- a/drivers/net/sh_eth.h
+++ b/drivers/net/sh_eth.h
@@ -358,7 +358,8 @@
 #elif defined(CONFIG_R8A7740)
 #define SH_ETH_TYPE_GETHER
 #define BASE_IO_ADDR	0xE9A00000
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 #define SH_ETH_TYPE_ETHER
 #define BASE_IO_ADDR	0xEE700200
 #elif defined(CONFIG_R7S72100)
@@ -569,7 +570,8 @@
 	ECMR_PRM = 0x00000001,
 #ifdef CONFIG_CPU_SH7724
 	ECMR_RTM = 0x00000010,
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 	ECMR_RTM = 0x00000004,
 #endif