pci: Define TEE-IO bit in PCIe device capabilities

A new bit torvalds#30 from the PCI Express Device Capabilities Register is defined
in PCIe 6.1 as "TEE Device Interface Security Protocol (TDISP)".

Define the macro.

Signed-off-by: Alexey Kardashevskiy <aik@amd.com>

include/uapi/linux/pci_regs.h

@@ -498,6 +498,7 @@
 #define  PCI_EXP_DEVCAP_PWR_VAL	0x03fc0000 /* Slot Power Limit Value */
 #define  PCI_EXP_DEVCAP_PWR_SCL	0x0c000000 /* Slot Power Limit Scale */
 #define  PCI_EXP_DEVCAP_FLR     0x10000000 /* Function Level Reset */
+#define  PCI_EXP_DEVCAP_TEE_IO  0x40000000 /* TEE-IO Supported (TDISP) */
 #define PCI_EXP_DEVCTL		0x08	/* Device Control */
 #define  PCI_EXP_DEVCTL_CERE	0x0001	/* Correctable Error Reporting En. */
 #define  PCI_EXP_DEVCTL_NFERE	0x0002	/* Non-Fatal Error Reporting Enable */