Modernize bootloader and flash memory layout of the BPi-R64 similar to
how it has also been done for the BPi-R3.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
With Linux 6.1 many of our downstream patches and out-of-tree files
can be removed or at least replaced by backported upstream commits.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
[fix CMDLINE_OVERRIDE for arm64]
Signed-off-by: Bjørn Mork <bjorn@mork.no>