Stable 4.2-p1 

Extra fixes
 - mouse fix
 - TDE per drive
 - CMD HD no op when detached
 - compilation fix for Pi0
 - teensy-resid initialisation crash fix for Pi0

See: https://github.com/aminch/bmc64/tree/combo-fixes-1

Create BMC64 4.2 microSD card 
Unzip the contents of this archive and replace existing files




