Set the SDMMC2 VQMMC supply to vdd (buck3). Note that in the
corresponding Linux kernel device tree, the supply is set to v3v3
(buck4), which is wrong.
Signed-off-by: Grzegorz Szymaszek <gszymaszek@short.pl>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>