ethtool: update to 6.14

ethtool: update to 6.14

Version 6.14 - April 7, 2025
	* Feature: list PHYs (--show-phys)
	* Feature: target a specific PHY with some commands (--phy)
	* Feature: more attributes for C33 PSE (--show-pse, --set-pse)
	* Feature: source information for cable tests (--cable-test[-tdr])
	* Feature: JSON output for module info (-m)
	* Feature: misc RSS hash info improvements (-x)
	* Feature: tsinfo hwtstamp provider (--{get,set}-hwtimestamp-cfg)
	* Fix: fix wrong auto-negotiation state (no option)
	* Fix: more explicit RSS context action (-n)
	* Fix: print PHY address as decimal (no option)
	* Fix: fix return value on flow hashing error (-N)
	* Fix: fix JSON output for IRQ coalescing
	* Fix: fix MDI-X info output (no option)
	* Misc: code cleanup in module parsers
	* Misc: provide module_info JSON schema
	* Misc: add '-j' alias for --json
	* Misc: provide AppStream metainfo XML
	* Misc: update message descriptions for debugging output

Signed-off-by: Piotr Kubik <piotr.kubik@adtran.com>
Signed-off-by: Chad Monroe <chad@monroe.io>
Link: https://github.com/openwrt/openwrt/pull/18803
Signed-off-by: Robert Marko <robimarko@gmail.com>