mmc: core: Add 8-bit support for SDIO
mmc: core: Add 8-bit support for SDIO

Depending on the host and card's capability SDIO cards can
operate at 8-bit buswidth.

Change-Id: I2ed1c5ecaff521db693db47928b0958ed0289645
Signed-off-by: Sahitya Tummala <9f0ed6d3046b5ad75baeafdf1880f13bc02a9180@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas