ARM: ux500: select SND_SOC_UX500 for ux500

Enable ux500 specific ALSA SoC drivers by default on u8500_defconfig.
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/configs/u8500_defconfig

@@ -69,6 +69,11 @@ CONFIG_MFD_STMPE=y
 CONFIG_MFD_TC3589X=y
 CONFIG_REGULATOR_GPIO=y
 CONFIG_REGULATOR_AB8500=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_SOC=y
+CONFIG_SND_SOC_UX500=y
+CONFIG_SND_SOC_UX500_MACH_MOP500=y
 CONFIG_USB=y
 CONFIG_USB_MUSB_HDRC=y
 CONFIG_USB_MUSB_UX500=y