Merge branch 'devlink-Add-board-serial_number-field-to-info_get-cb'

Vasundhara Volam says:

====================
devlink: Add board.serial_number field to info_get cb.

This patchset adds support for board.serial_number to devlink info_get
cb and also use it in bnxt_en driver.

Sample output:

$ devlink dev info pci/0000:af:00.1
pci/0000:af:00.1:
  driver bnxt_en
  serial_number 00-10-18-FF-FE-AD-1A-00
  board.serial_number 433551F+172300000
  versions:
      fixed:
        board.id 7339763 Rev 0.
        asic.id 16D7
        asic.rev 1
      running:
        fw 216.1.216.0
        fw.psid 0.0.0
        fw.mgmt 216.1.192.0
        fw.mgmt.api 1.10.1
        fw.ncsi 0.0.0.0
        fw.roce 216.1.16.0

v2:
- Modify board_serial_number to board.serial_number for maintaining
consistency.
- Combine 2 lines in second patchset as column limit is 100 now
====================

Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>