The SH7753 EVB board has SH7753, 512MB DDR3-SDRAM, SPI ROM,
Gigabit Ethernet, and eMMC.
This patch support the following functions:
- 512MB DDR3-SDRAM, SCIF4, SPI ROM, Gigabit Ethernet, eMMC
Signed-off-by: Yoshihiro Shimoda
Signed-off-by: Nobuhiro Iwamatsu