arm64: defconfig: tegra: Enable GPCDMA

Enable TEGRA_GPC_DMA in defconfig for Tegra186 and Tegra196 gpc
dma controller driver
Signed-off-by: Rajesh Gumasta <rgumasta@nvidia.com>
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/configs/defconfig

@@ -945,6 +945,7 @@ CONFIG_MV_XOR=y
 CONFIG_MV_XOR_V2=y
 CONFIG_OWL_DMA=y
 CONFIG_PL330_DMA=y
+CONFIG_TEGRA186_GPC_DMA=m
 CONFIG_TEGRA20_APB_DMA=y
 CONFIG_TEGRA210_ADMA=m
 CONFIG_QCOM_BAM_DMA=y