ARM: configs: Add Tegra I2S interfaces to multi_v7_defconfig

This selects both the Tegra20 and Tegra30 I2S interfaces (that were
previously auto-selected by Kconfig but are not anymore) to
multi_v7_defconfig, as modules.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/configs/multi_v7_defconfig

@@ -653,6 +653,8 @@ CONFIG_SND_SOC_RCAR=m
 CONFIG_SND_SOC_RSRC_CARD=m
 CONFIG_SND_SUN4I_CODEC=m
 CONFIG_SND_SOC_TEGRA=m
+CONFIG_SND_SOC_TEGRA20_I2S=m
+CONFIG_SND_SOC_TEGRA30_I2S=m
 CONFIG_SND_SOC_TEGRA_RT5640=m
 CONFIG_SND_SOC_TEGRA_WM8753=m
 CONFIG_SND_SOC_TEGRA_WM8903=m