mmc: fixes after merge with kernel 3.10

This change needed because for urgent data transfer request is not
supported in upstream kernel.

This support includes following patches:

1. 9b0f5ecb226647953458edc10d049014575ce565
(mmc: Add support to handle Urgent data transfer request, 2013-04-15)
2. e9382e68cfca3c6b5dc128ef197d6c6fd201f9d4
(mmc: fix read latency of urgent request, 2013-04-15)
3. c96f40ad355a41d64febe29c10fb1c5d8d249499
(mmc: core: Fix updating clock scaling statistics, 2013-04-11)
4. 29b89ca5d0aa673cdf345eeb628ea070bac157ed
(mmc: sdhci: Add stop transmission support, 2013-04-15)
5. fa436d52cd2eac88d4b257c461c41c73bfae2092
(mmc: sdhci-msm: enable stop transmission support, 2013-04-17)
6. cceca8d24734926e7b5deb124adc1c2d6a6c41dd
(mmc: sdhci: Add stop transmission support, 2013-04-24)

Change-Id: I702fef0bdcb81d410199d2feeb775d6ec1fa15e6
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>