Apply some coding style changes according to the C style guide. The
patch is tested for regression with the 'wiggler' parallel port cable.
Change-Id: I43774f596831d8c46f90f18893418178041a930b
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: https://review.openocd.org/c/openocd/+/8516
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins