mmc: sdhci: Add timestamp debug info for data timeout error

This helps check the controller timeout logic in case of data
timeout errors.

Change-Id: Ia30757192e49865698c5f52940e1dc5d97746185
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
[subhashj@codeaurora.org: fixed minor merge conflict]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
[xiaonian@codeaurora.org: fix trivial merge conflict]
Signed-off-by: Xiaonian Wang <xiaonian@codeaurora.org>
2 files changed