With 6.6, all DTSes were moved to their vendor subdirectories. ARM64
DTSes already used this scheme, but 32 bit Cortex A9 did not, prior
to 6.6. Introduce a kernel version check to keep backward compatibility
with 6.1.
Suggested-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Stijn Segers <foss@volatilesystems.org>
ab2fe43163