linux-riscv: Enable virtio cryptodev

This helps with OpenSSL 1.x calling getrandom() API
not hanging on openssh key generation

Signed-off-by: Khem Raj <raj.khem@gmail.com>

recipes-kernel/linux/files/pci.cfg

@@ -0,0 +1,3 @@
+CONFIG_CRYPTO_DEV_VIRTIO=y
+CONFIG_PCI=y
+CONFIG_PCI_HOST_GENERIC=y

recipes-kernel/linux/linux-riscv-common.inc

@@ -9,6 +9,7 @@ require recipes-kernel/linux/linux-yocto.inc
 SRC_URI = "\
     git://github.com/riscv/riscv-linux.git;branch=${BRANCH} \
     file://earlyprintk.cfg \
+    file://pci.cfg \
 "
 
 # qemu uses in-tree defconfig