ALSA: ASoC: Fix compile-time warning for tlv320aic23.c

Fixes this warning:

sound/soc/codecs/tlv320aic23.c: In function 'tlv320aic23_write':
sound/soc/codecs/tlv320aic23.c:104: warning: passing argument 2 of
'codec->hw_write' makes pointer from integer without a cast

Replaces i2c smbus write function with standard i2c write function

Signed-off-by: Arun KS <arunks@mistralsolutions.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>