* rockchip64: add `BOOT_SCENARIO=binman` for mainline u-boot
- drop special handling for 3308's `legacy` branch
- rpardini: note how SPI/mtd is not yet supported for this scenario
Co-authored-by: Ricardo Pardini <ricardo@pardini.net> (squash/splits, shellfmt)
* `rock-s0`/`rockpi-s`: use `BOOT_SCENARIO=binman`; move blobs to armbian/rkbin
- Move rk3308 boot blobs to armbian/rkbin
- delete obsolete ones
- Alter rock-s0 and rockpi-s to use the new "binman" BOOT_SCENARIO
Co-authored-by: Ricardo Pardini <ricardo@pardini.net> (shellfmt; small fixes; squashes)
- Bump U-Boot from v2024.10-rc3 to v2024.10
- Move U-Boot patch dir to default one (`$BOOTBRANCH/board_$BOARD`) which gets applied automatically by the patcher for the specific $BOARD
- Little fixes: Use `declare -g` and a code style similar to NanoPi R6 series
