linux-imx

mmc: sdhci-esdhc-imx: get rid of support_vsel

The field support_vsel is currently only used in the device tree
case. Get rid of it. No change in behavior.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>