Also reformat some long lines.

also fix upper half ioctl

add comments

restore the upper half behaviour waiting on a semaphore after write, adapt cc1101 to keep it working

add function to send command strobes
partial packet handler setup
allow 32-bit repeated syncword
define sync word matching mode
more register definitions

enable GMSK

explicit that ASK/OOK is not supported yet
set msk phase shift duration when selecting msk