Reduce logging level of st-flash

Signed-off-by: Jon O'Donnell <jodonnell@nuvotechnologies.com>
Add stlink-gui to .gitignore

Signed-off-by: Jon O'Donnell <jodonnell@nuvotechnologies.com>
Slow down wait loops to prevent USB lockup errors

Signed-off-by: Jon O'Donnell <jodonnell@nuvotechnologies.com>
Fix progress messages which stopped at (n-1)/n instead of n/n.

Signed-off-by: Jon O'Donnell <jodonnell@nuvotechnologies.com>
Always call stlink_enter_swd_mode because might be in JTAG mode

Signed-off-by: Jon O'Donnell <jodonnell@nuvotechnologies.com>
Fix gdbserver errors from kuym/stlink (not mergable)

Signed-off-by: Jon O'Donnell <jodonnell@nuvotechnologies.com>