spi/rockchip: Add dependencies on relaxed I/O accessors
spi/rockchip: Add dependencies on relaxed I/O accessors

Without the dependencies for the accessors the driver can be enabled on
architectures where it will fail to build.

Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>

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