Update audio driver for H2 board

This patch updates the audio driver based on tsc2101 chip
for H2 board. tsc2101 driver was updated against new spi
framework, but its audio driver for H2 wasn't.

Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br>
Signed-off-by: Tony Lindgren <tony@atomide.com>