spi: rspi: Remove set_config_register() macro

The set_config_register() macro is used in a single place.
Make the code easier to read by just removing it.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
1 file changed