mmc: atmel-mci: use endian agnostic IO
mmc: atmel-mci: use endian agnostic IO

Change the __raw IO functions to endian agnostic relaxed ones to allow
the driver to function on big endian ARM systems.

Signed-off-by: Ben Dooks <0b051c53bf6ec41a37761bf9736dc587af5e4a2e@codethink.co.uk>
Acked-by: Ludovic Desroches <627575320a9526cb6c91021c9940202b0e84c416@atmel.com>
Signed-off-by: Ulf Hansson <fe47b31f388f85ce6ddf64bf3a0cf6b46077d0e6@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs