ethtool: Update to version 6.0

ethtool: Update to version 6.0

- Update from version 5.16 to 6.0
- Update of rootfile not required
- Changelog
    Version 6.0 - October 10, 2022
	* Fix: advertisement modes autoselection by lanes (-s)
    Version 5.19 - August 22, 2022
	* Feature: get/set tx push (-g and -G)
	* Feature: register dump support for TI CPSW (-d)
	* Feature: register dump support for lan743x chipset (-d)
	* Fix: fix missing sff-8472 output in netlink path (-m)
	* Fix: fix EEPROM byte write (-E)
    Version 5.18 - June 14, 2022
	* Feature: get/set cqe size (-g and -G)
	* Fix: fix typo in man page
	* Fix: fix help text alignment
	* Fix: improve attribute label (--show-fec)
    Version 5.17 - April 4, 2022
	* Feature: transceiver module power mode (--set-module)
	* Feature: transceiver module extended state (--show-module)
	* Feature: get/set rx buffer length (-g and -G)
	* Feature: tx copybreak buffer size (--get-tunable and --set-tunable)
	* Feature: JSON output for features (-k)
	* Feature: support OSFP transceiver modules (-m)
	* Fix: add missing free() calls (--get-tunable and --set-tunable)

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Michael Tremer <michael.tremer@ipfire.org>