mmc: sdhci-esdhc-imx: fix runtime pm unbalance issue
mmc: sdhci-esdhc-imx: fix runtime pm unbalance issue

Since we're using common esdhc_send_command for tuning commands and
the core code will call pm_runtime_put after command is finished.
So we add a pm_runtime_get_sync here to get the balance.

Signed-off-by: Dong Aisheng <f8b72116bf80189a70941b53a10a3d3b2650c711@freescale.com>
Acked-by: Ulf Hansson <fe47b31f388f85ce6ddf64bf3a0cf6b46077d0e6@linaro.org>
Signed-off-by: Chris Ball <6ca7faee6ca9a094b1ee341f11b840a5608a8746@laptop.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs