mmc: rockchip_sdhci: Extend variant configuration

RK3528 and RK3576 use different tap and delay num for cmdout and strbin.

Move tap and delay num for cmdout and strbin to driver data to prepare
for adding new SoCs.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
1 file changed