ASoC: Convert sgtl5000 to use devm_kzalloc()

Convert sgtl5000 codec driver to use devm_kzalloc().

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
1 file changed