net: sh-eth: Change cache API of SH

The cache API of SH was changed from dcache_wback_range to flush_dcache_range.
sh-eth uses dcache_wback_range. This patch changes to flush_dcache_range.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
1 file changed