ASoC: cs35l34: Remove CS35L34_CHIP_ID from cs35l34_readable_register

CS35L34_CHIP_ID is not a register address, it's the value read from
CS35L34_DEVID_AB/CD/E registers.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs35l34.c

@@ -145,7 +145,6 @@ static bool cs35l34_volatile_register(struct device *dev, unsigned int reg)
 static bool cs35l34_readable_register(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
-	case	CS35L34_CHIP_ID:
 	case	CS35L34_DEVID_AB:
 	case	CS35L34_DEVID_CD:
 	case	CS35L34_DEVID_E: