ASoC: samsung: s3c24xx-i2s.c merge fixup

This fixes a build error as below which appeared after merging
branch fix/samsung and also proper error messages are restored.

sound/soc/samsung/s3c24xx-i2s.c: In function ‘s3c24xx_iis_dev_probe’:
sound/soc/samsung/s3c24xx-i2s.c:444:8: error: ‘pdata’ undeclared (first use in this function)
sound/soc/samsung/s3c24xx-i2s.c:444:8: note: each undeclared identifier is reported only once for each function it appears in

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>