ARM: multi_v7_defconfig: Enable A10 audio codec driver as module

The A10 audio codec driver supports the on-chip audio codec found on
Allwinner A10, A10s, A13, A20 SoCs.

Build it as a module, since it is not critical.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/configs/multi_v7_defconfig

@@ -559,6 +559,7 @@ CONFIG_SND_SOC_ROCKCHIP_RT5645=m
 CONFIG_SND_SOC_SH4_FSI=m
 CONFIG_SND_SOC_RCAR=m
 CONFIG_SND_SOC_RSRC_CARD=m
+CONFIG_SND_SUN4I_CODEC=m
 CONFIG_SND_SOC_SAMSUNG=m
 CONFIG_SND_SOC_SNOW=m
 CONFIG_SND_SOC_ODROIDX2=m