mmc: host: add capability flag for card-detect signal polarity

To handle card-detect of SD/MMC slot pins we need generic flags to
specify their polarity.

Change-Id: I8d71ec888931e7ec6adaac9a5623c003dde78a87
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
1 file changed