Same mechanism as in stm32f1x.cfg reused here.
Change-Id: I81f02feb2b655e8259341b22180f3a8b82e28d05
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7438
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>