This property was wrong and broke eMMC since commit 52221610 ("mmc:
sdhci: Improve external VDD regulator support"). Align the eMMC
properties to those of other Tegra boards.
Signed-off-by: NAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: NThierry Reding <treding@nvidia.com>