drivers: sdhci-cadence: Fix HS400 timing

commit 12b0ddb198068ef3ea57313027751c1ad635192e from
git@git.assembla.com:cavium/WindRiver.linux.git

Host controller mode is chosen from ios timing parameter.
Fix for supporting HS400 and HS400ES emmc modes.

Change-Id: I1fc3e9cce4c76ff4c0693b095b2c5142584c3bc7
Signed-off-by: Jayanthi Annadurai <jannadurai@marvell.com>
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/kernel/linux/+/70064
Reviewed-by: Chandrakala Chavva <cchavva@marvell.com>
Tested-by: sa_ip-sw-jenkins <sa_ip-sw-jenkins@marvell.com>
Signed-off-by: Ruiqiang Hao <Ruiqiang.Hao@windriver.com>