* add ODROID-C2/C4/N2/N2+ support for RPI-RF-MOD/HM-MOD-RPI-PCB integration * updated rpi-rf-mod package to latest version with dtbo fixes
The xz compression allows higher compression rates and higher speeds, a quick measurement lead to this numbers: gzip --best: compression 131.11s, decompression 9.797s (299M) xz -3 (single thread): compression 95.13s, decompression 14.902s (228M) xz -3 (multi thread): compression 12.146s, decompression 14.902s (228M)
* initial ODROID-C4 support * setting clk_ignore_unused