After commit 04a2ea248f ("mmc: disable UHS modes if Vcc cannot be
switched on and off") U-Boot started crashing on Nokia RX-51 while
initializing mmc and caused reboot loop.
It looks like that some clocks were not enabled and this patch fixes U-Boot
mmc crash.
Signed-off-by: Pali Rohár <pali@kernel.org>
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>