clobber all caller saved registers when calling an init_array

Ardulink - control power instead of reset

 * Resolving unlock bug in halt mode modification.
 * Start to generalize block sizes.
 * Allow for full-erase-fast-program.
 * Almost have USB bootloader working.

Make Ardulink compilable on Windows

cleanup and simplify AH fix for ch32v307 read memory

2. Remove ardulink warning - if someone adds support they add support, if not no need for a warning.

Add an Arduino-based SWIO programmer

+ remove round up in -r mode to read the requested amount of bytes
+ remove the 0x307 check and stash the old ReadBinaryBlob method

Signed-off-by: bmx <none>

Fixes for the ch32v307