ARM: dts: BCM5301X: Relicense Hauke's code to the GPL 2.0+ / MIT

Move code added by Hauke to the bcm-ns.dtsi which uses dual licensing.
That syncs more Northstar code to be based on the same licensing schema.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Link: https://lore.kernel.org/r/20230515151921.25021-1-zajec5@gmail.com


Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>