arm64: defconfig: Enable TI's AM6 SoC platform

Enable K3 SoC platform for TI's AM6 SoC.
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm64/configs/defconfig

@@ -38,6 +38,7 @@ CONFIG_ARCH_BCM_IPROC=y
 CONFIG_ARCH_BERLIN=y
 CONFIG_ARCH_BRCMSTB=y
 CONFIG_ARCH_EXYNOS=y
+CONFIG_ARCH_K3=y
 CONFIG_ARCH_LAYERSCAPE=y
 CONFIG_ARCH_LG1K=y
 CONFIG_ARCH_HISI=y
@@ -605,6 +606,8 @@ CONFIG_ARCH_TEGRA_132_SOC=y
 CONFIG_ARCH_TEGRA_210_SOC=y
 CONFIG_ARCH_TEGRA_186_SOC=y
 CONFIG_ARCH_TEGRA_194_SOC=y
+CONFIG_ARCH_K3_AM6_SOC=y
+CONFIG_SOC_TI=y
 CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
 CONFIG_EXTCON_USB_GPIO=y
 CONFIG_EXTCON_USBC_CROS_EC=y