mmc: card: read the firmware version from ext_csd

Read the firmware version from ext_csd register and print it
for debugging purpose.

Change-Id: I4c1fefd5bff753915c9858fb35c958335986c778
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
[subhashj@codeaurora.org: fixed trivial merge conflicts and
compilation errors]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
2 files changed