linux-imx

mmc: sdhci: Allow for long command timeouts

The driver has a timer with a 10 second timeout to catch devices that stop
responding.  However it is possible for commands to take even longer than
that.  Change the timer timeout to reflect the command timeout.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <chris@printf.net>