cxl: Enable PCI device IDs for future IBM CXL adapters

cxl: Enable PCI device IDs for future IBM CXL adapters

BugLink: http://bugs.launchpad.net/bugs/1702521
Add support for future IBM Coherent Accelerator (CXL) devices
with an IDs of 0x0623 and 0x0628.

Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
(cherry picked from commit 41e20d959e5919c70058369323cefa57428b7aaf)
Signed-off-by: Victor Aoqui <victora@linux.vnet.ibm.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>