mmc: sdhci-of-esdhc: use 1/2 periperhal clock for ls1028a

LS1028A used 1/2 periperhal clock as one reference clock.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
1 file changed