mmc: sdhci-pci: add 8-bit bus width support for mrst hc0

And hook platform_8bit_width to support 8-bit bus width.

Signed-off-by: Major Lee <[email protected]>
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Dirk Brandewie <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
1 file changed