kconfigcheck: add new category for virtualization support

For including options to making sure KVM (and others later) is enabled in the kernel.

kconfigcheck.toml

@@ -351,15 +351,6 @@ USB_RTL8152 = true  # USB Ethernet
 ["category:virt".">=0.0.0"."all"]
 HW_RANDOM_VIRTIO = true
 KVM = true
-KVM_COMMON = true
-KVM_GENERIC_HARDWARE_ENABLING = true
-KVM_GENERIC_MMU_NOTIFIER = true
-KVM_MMIO = true
-KVM_VFIO = true
-KVM_XFER_TO_GUEST_WORK = true
-VIRTIO_BLK = true
-VIRTIO_CONSOLE = true
-VIRTIO_NET = true
 VIRTUALIZATION = true
 
 ["category:debug".">=0.0.0"."all"]