[C25][DTS] set voltage-ranges to usdhc nodes

This is done to get rid of the following errors in dmesg:
    sdhci-esdhc-imx 30b40000.mmc: voltage-ranges unspecified
    sdhci-esdhc-imx 30b50000.mmc: voltage-ranges unspecified

If those values are not defined, driver will take a look at the controllers
registers and fill them.
The same values were set in dts.

Signed-off-by: Mikhail Vanyulin <mikhail.vanyulin@rtsoft.de>