Odroid-C1 has an eMMC connector where users can optionally install an eMMC module. The eMMC modules run off a 1.8V VQMMC supply which means that HS-200 mode can be used (this is the highest mode that the SDHC controller supports). Enable the SDHC controller so eMMC modules can be accessed. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com> Link: https://lore.kernel.org/r/20200620163654.37207-4-martin.blumenstingl@googlemail.com