The "/dts-v1/;" identifier is supposed to be present once at the
top of a device tree file after the includes have been processed.
Like done for other targets recently, put the dts-v1 statement
into the top-level SoC-based DTSI files, and remove all other
occurences.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
c98819a9e6