ASoC: Blackfin: updates Kconfig for SPORT

tweak SPORT range for non-BF54x so we get proper behavior for BF52x parts

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>