meta: Add new pci iov feature

Add Single Root PCI I/O Virtualization feature to meta.

Signed-off-by: Kishore Bodke <kishore.k.bodke@intel.com>

features/pci-iov/pci-iov.cfg

+CONFIG_PCI_IOV=y

features/pci-iov/pci-iov.scc

+define KFEATURE_DESCRIPTION "Enable PCI device SRIOV for I/O Virtualization"
+define KFEATURE_COMPATIBILITY board
+
+kconf hardware pci-iov.cfg