Merge branch 'pci/vga'

- Correct parameter types for vga_str_to_iostate() and
  vga_update_device_decodes() (Sui Jingfeng)

- Simplify vga_arbiter_notify_clients() (Sui Jingfeng)

- Simplify vga_client_register() (Sui Jingfeng)

- Replace MIT license text with SPDX identifier (Sui Jingfeng)

- Fix lots of comment typos (Sui Jingfeng)

* pci/vga:
  PCI/VGA: Fix typos
  PCI/VGA: Replace full MIT license text with SPDX identifier
  PCI/VGA: Simplify vga_client_register()
  PCI/VGA: Simplify vga_arbiter_notify_clients()
  PCI/VGA: Correct vga_update_device_decodes() parameter type
  PCI/VGA: Correct vga_str_to_iostate() io_state parameter type