Merge tag 'usb-serial-5.15-rc1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next

Johan writes:

USB-serial updates for 5.15-rc1

Here are the USB serial updates for 5.15-rc1, including:

 - a couple of fixes for cp210x termios error handling
 - retrieval of fw revisions for more cp210x types
 - a switch to octal permissions for all module-parameter definitions

Included are also various clean ups.

All have been in linux-next with no reported issues.

* tag 'usb-serial-5.15-rc1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: replace symbolic permissions by octal permissions
  USB: serial: cp210x: determine fw version for CP2105 and CP2108
  USB: serial: cp210x: clean up type detection
  USB: serial: cp210x: clean up set-chars request
  USB: serial: cp210x: clean up control-request timeout
  USB: serial: cp210x: fix flow-control error handling
  USB: serial: cp210x: fix control-characters error handling
  USB: serial: io_edgeport: drop unused descriptor helper