ARM: mvebu_v5_defconfig: Enable sound module needed for OpenRD

OpenRD-Client requires the CS42L51 codec.
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/configs/mvebu_v5_defconfig

@@ -137,6 +137,7 @@ CONFIG_SND=y
 CONFIG_SND_SOC=y
 CONFIG_SND_KIRKWOOD_SOC=y
 CONFIG_SND_SOC_ALC5623=y
+CONFIG_SND_SOC_CS42L51_I2C=y
 CONFIG_SND_SIMPLE_CARD=y
 CONFIG_HID_DRAGONRISE=y
 CONFIG_HID_GYRATION=y