[ARM] 5098/1: fix sound/soc/pxa/tosa.c to new gpio api

The sound/soc/pxa/tosa.c contains dependencies on parts that never
ever hit mainline. Replace them with current support for tc6393xb.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>