add fifo read and write commands
add comments, add a function to set a single byte property
add bits for global config property and fast response register options

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