mmc: sdhci-msm: Add checks to know if card supports strobe

This patch adds checks in msm host driver to check if card
also supports enhanced strobe before changing strobe specific
host configuration.

Change-Id: Iab4833e80600c4ad89b16c76b52e917f885eea0e
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>