[PATCH 14/16] arm64: dts: ti: iot2050*: Clarify GPL-2.0 as GPL-2.0-only

[Tony Lindgren]

* Nishanth Menon <nm at ti.com> [700101 02:00]:
> SPDX identifier GPL-2.0 has been deprecated since license list version
> 3.0. Use GPL-2.0-only to be specific.

Acked-by: Tony Lindgren <tony at atomide.com>