mmc: block: add req pointer to mmc request

This is needed by ICE (Inline Crypto Engine) driver to get
the ICE configuration data from the request.

Change-Id: Ie69c64f4dc0c31290dec50d905e8b3d436c86d62
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
2 files changed