RISC-V: defconfig: Enable Generic PCIE by default

Enable generic PCIe by default in the RISC-V defconfig, this allows us
to use QEMU's PCIe support out of the box.  CONFIG_RAS=y is
automatically selected by generic PCIe, so it has been dropped from
the defconfig.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
[Palmer: Split out PCIE_XILINX and CRYPTO_DEV_VIRTIO]
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

arch/riscv/configs/defconfig

@@ -27,6 +27,8 @@ CONFIG_IP_PNP_BOOTP=y
 CONFIG_IP_PNP_RARP=y
 CONFIG_NETLINK_DIAG=y
 CONFIG_PCI=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_PCI_HOST_GENERIC=y
 CONFIG_PCIE_XILINX=y
 CONFIG_DEVTMPFS=y
 CONFIG_BLK_DEV_LOOP=y
@@ -63,7 +65,6 @@ CONFIG_USB_STORAGE=y
 CONFIG_USB_UAS=y
 CONFIG_VIRTIO_MMIO=y
 CONFIG_SIFIVE_PLIC=y
-CONFIG_RAS=y
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
 CONFIG_AUTOFS4_FS=y