kconfig-generic.toml: require KVM_AMD and KVM_INTEL modules

Otherwise /dev/kvm is not available and can't be used for
virtualization.

Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/9174>

kconfigcheck.toml

@@ -639,6 +639,10 @@ USB_NET_RNDIS_HOST = "m"  # USB Ethernet via RNDIS
 HW_RANDOM_VIRTIO = "m"
 ["category:virt".">=0.0.0"."aarch64 loongarch64 ppc64le riscv64 s390x x86 x86_64"]
 KVM = "y"
+["category:virt".">=0.0.0"."x86 x86_64"]
+KVM_AMD = "m"
+KVM_INTEL = "m"
+
 VIRTUALIZATION = "y"
 
 ["category:debug".">=0.0.0"."all"]