ARM: dts: am335x-shc.dts: Switch to SPDX identifier

Adopt the SPDX license identifier headers to ease license
compliance management.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Heiko Schocher 2019-01-22 06:26:22 +01:00 • committed by Tony Lindgren
commit dc81e8465d