net: sh_eth: Add support SH7734

Add define of SH7734 register and sh_eth_reset_hw_crc function.

V3: Rebase net/HEAD.
V2: Do not split line of #if defined.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig
index 9755b49..3fb2355 100644
--- a/drivers/net/ethernet/renesas/Kconfig
+++ b/drivers/net/ethernet/renesas/Kconfig
@@ -7,7 +7,8 @@
 	depends on SUPERH && \
 		(CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || \
 		 CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7619 || \
-		 CPU_SUBTYPE_SH7724 || CPU_SUBTYPE_SH7757)
+		 CPU_SUBTYPE_SH7724 || CPU_SUBTYPE_SH7734 || \
+		 CPU_SUBTYPE_SH7757)
 	select CRC32
 	select NET_CORE
 	select MII
@@ -16,4 +17,4 @@
 	---help---
 	  Renesas SuperH Ethernet device driver.
 	  This driver supporting CPUs are:
-		- SH7710, SH7712, SH7763, SH7619, SH7724, and SH7757.
+		- SH7619, SH7710, SH7712, SH7724, SH7734, SH7763 and SH7757.