ASoC: rockchip: Fix missing CLKDEV_LOOKUP dependency

Make SND_SOC_ROCKCHIP_MAX98090 and SND_SOC_ROCKCHIP_RT5645 depend on
CLKDEV_LOOKUP to fix below build warning:

warning: (SND_SOC_ROCKCHIP_MAX98090 && SND_SOC_ROCKCHIP_RT5645) selects
SND_SOC_ROCKCHIP_I2S which has unmet direct dependencies (SOUND && !M68K &&
!UML && SND && SND_SOC && CLKDEV_LOOKUP && SND_SOC_ROCKCHIP)
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/rockchip/Kconfig

@@ -17,7 +17,7 @@ config SND_SOC_ROCKCHIP_I2S
 
 config SND_SOC_ROCKCHIP_MAX98090
 	tristate "ASoC support for Rockchip boards using a MAX98090 codec"
-	depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB
+	depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB && CLKDEV_LOOKUP
 	select SND_SOC_ROCKCHIP_I2S
 	select SND_SOC_MAX98090
 	select SND_SOC_TS3A227E
@@ -27,7 +27,7 @@ config SND_SOC_ROCKCHIP_MAX98090
 
 config SND_SOC_ROCKCHIP_RT5645
 	tristate "ASoC support for Rockchip boards using a RT5645/RT5650 codec"
-	depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB
+	depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB && CLKDEV_LOOKUP
 	select SND_SOC_ROCKCHIP_I2S
 	select SND_SOC_RT5645
 	help