nvme: Detect devices that are class Storage Express

This adds support to detect the catchall PCI class for NVMe devices.
It allows the drivers to work with most NVMe devices that don't need
specific detection due to quirks etc.

Tested against a Samsung 960 EVO drive.

Signed-off-by: Jon Nettleton <jon@solid-run.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

drivers/nvme/nvme.c

@@ -832,7 +832,7 @@ U_BOOT_DRIVER(nvme) = {
 };
 
 struct pci_device_id nvme_supported[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0953) },
+	{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, ~0) },
 	{}
 };
 

include/pci_ids.h

@@ -21,6 +21,7 @@
 #define PCI_CLASS_STORAGE_SATA		0x0106
 #define PCI_CLASS_STORAGE_SATA_AHCI	0x010601
 #define PCI_CLASS_STORAGE_SAS		0x0107
+#define PCI_CLASS_STORAGE_EXPRESS	0x010802
 #define PCI_CLASS_STORAGE_OTHER		0x0180
 
 #define PCI_BASE_CLASS_NETWORK		0x02