mmc: sdhci: Enable high-speed support for MMC cards

MMC_CAP_MMC_HIGHSPEED allows MMC and eMMC to negotiate up to 50M
instead of the previous limit of 25M.

Signed-off-by: Zhangfei Gao <[email protected]>
Acked-by: Matt Fleming <[email protected]>
Acked-by: Kyungmin Park <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
1 file changed