PCI: switchtec: Use normal comment style

PCI: switchtec: Use normal comment style

[ Upstream commit 846691f5483d61259db2f4d6a3dce8b98d518794 ]

Use normal comment style '/* */' for device ID description.

Link: https://lore.kernel.org/r/20230624000003.2315364-2-kelvin.cao@microchip.com
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Stable-dep-of: 0fb53e64705a ("PCI: switchtec: Add support for PCIe Gen5 devices")
Signed-off-by: Sasha Levin <sashal@kernel.org>