arm64: defconfig: Enable Renesas R-Car Gen4 PCIe controller

Enable both modes, host and endpoint. Also, enable EDMA for performance
gain for the endpoint mode.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240523203431.6423-1-wsa+renesas@sang-engineering.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/configs/defconfig

@@ -233,6 +233,8 @@ CONFIG_PCIE_HISI_STB=y
 CONFIG_PCIE_ARMADA_8K=y
 CONFIG_PCIE_TEGRA194_HOST=m
 CONFIG_PCIE_QCOM=y
+CONFIG_PCIE_RCAR_GEN4_HOST=m
+CONFIG_PCIE_RCAR_GEN4_EP=m
 CONFIG_PCIE_ROCKCHIP_DW_HOST=y
 CONFIG_PCIE_VISCONTI_HOST=y
 CONFIG_PCIE_LAYERSCAPE_GEN4=y
@@ -1215,6 +1217,7 @@ CONFIG_QCOM_BAM_DMA=y
 CONFIG_QCOM_GPI_DMA=m
 CONFIG_QCOM_HIDMA_MGMT=y
 CONFIG_QCOM_HIDMA=y
+CONFIG_DW_EDMA=m
 CONFIG_RCAR_DMAC=y
 CONFIG_RENESAS_USB_DMAC=m
 CONFIG_RZ_DMAC=y