mmc: cmdq_hci: Don't reset tag id on error path

Use the tag id of the error'd request and don't reset it to zero;
to handle the error'd request appropriately.

Change-Id: I0f5eac47197fa7b59208d0a61776d4ba186aa3dc
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>