MIT license was added to the AM64x SoC DTSIs in commit 6248b20e
("arm64: dts: ti: k3-am64: Add MIT license along with GPL-2.0"). Apply
the same license change to the TQMa64xxL SoM and MBaX4XxL baseboard
Device Trees.

The copyright year is updated to indicate the license change.
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Link: https://lore.kernel.org/r/20240625110244.9881-1-matthias.schiffer@ew.tq-group.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>