This change adds a polling mechanism to the driver. When not busy
the driver issues a wait, allowing the target to advance time.
The wait period gets adjusted to match the polling setting.
Change-Id: I67f481d05d7c5ce5352b5cb97de78dbaa97d82ae
Signed-off-by: Jacek Wuwer <jacekmw8@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/8221
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins