In order to facilitate debugging multiple cores, specify the coreid and the hwthread rtos in the imx8m target configuration. Change-Id: Ibd871517a160ceca15002fb10e27cb793f14d086 Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk> Reviewed-on: https://review.openocd.org/c/openocd/+/7019 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>