- Armbian already had all the FIP-magic needed, just use it.
- Introduce USE_ODROID_UBOOT with a list of branches that use Odroid's 2015 u-boot
- this is mostly in preparation for non-Odroid G12B/meson64 boards (Khadas VIM3...)
- In case $BRANCH is listed in USE_ODROID_UBOOT:
- use BOOTCONFIG_ODROID and BOOTSCRIPT_ODROID from board.conf
- build 2015 u-boot just like before
- Small hack into boot-meson64.cmd to handle u-boot vs kernel: n2_plus vs n2-plus DTB/FDT naming mismatch
- overrides the default $fdtfile based on $variant
- armbianEnv still has final say if $fdtfile is set there (it isn't for n2/n2plus)
- Extra:
- remove unused n2-mainline bootscript (maybe from a previous try?)
- comments about FIP trees being identical across N2/N2Plus and C4/HC4 families so no future time wastage
- only set CPUMIN/CPUMAX/GOVERNOR in meson64_common.inc if not already set by the board.conf
- Add some ${bootargs} debugging to mainline/default boot-meson64.cmd
Signed-off-by: Ricardo Pardini <ricardo@pardini.net>
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