lspci: Adjust PCI_EXP_DEV2_* to PCI_EXP_DEVCTL2_* macro definition

Adjust PCI_EXP_DEV2_* to PCI_EXP_DEVCTL2_* macro definition to keep the
same style between the Linux kernel source [1] and lspci.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/pci_regs.h#n651

Suggested-by: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
2 files changed