This change adds the extensa sample target and board configurations.
it removes the obsoleted vd_xtensa_jtag.cfg from targets.
Change-Id: I9d4d25abde46c0b15e5211a973012447872cb405
Signed-off-by: Jacek Wuwer <jacekmw8@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7723
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins