Factor out setting the response configuration bits thus further reducing
complexity of function meson_mmc_start_cmd.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: NKevin Hilman <khilman@baylibre.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>