ramips: mt7621: use lzma-loader for Sercomm NA502s
omap: remove 6.1 support
omap: switch to kernel 6.6
omap: refresh kernel 6.6 config
omap: adapt to the new dts directory layout.
kernel/omap: Restore kernel files for v6.1
kernel/omap: Create kernel files for v6.6 (from v6.1)
omap: rename kernel patches directory to include the version