[Mesa-stable] Nominate 56c3b4971d44748ad8618efdf8833ec2f9af4078 for all branches

[Jonathan Gray]

The pci id additions in 56c3b4971d44748ad8618efdf8833ec2f9af4078 do not
seem to have been nominated yet.  Radeon ids have been added to branches
in the past I see no reason not to do the same here.

commit 56c3b4971d44748ad8618efdf8833ec2f9af4078
Author: Rodrigo Vivi <rodrigo.vivi at intel.com>
Date:   Sat Feb 2 00:03:04 2019 -0800

    intel: Add more PCI Device IDs for Coffee Lake and Ice Lake.