ipq807x: mmc: Initial changes for compilable mmc driver

This patch has the initial changes required to make the
qca_mmc driver buildable. Also added the Kconfig
options required for the qca_mmc driver.

Change-Id: I15c0e9288ae5c7ae361659dff1e84b619de989a8
Signed-off-by: Vasudevan Murugesan <vmuruges@codeaurora.org>
6 files changed