l41ka firmware initial experimental release

expect problems. i'd actually be amazed if the iboot patchfinder works on anything outside of the tested matrix.

"Tested on" SOC + iBoot Version matrix:

soc	iOS 18.7.9	iOS 26.5
8020	yes
8030		yes

Boards this was tested on:

board	works?
Waveshare RP2350-A	yes