Provide jtagspi with information to use jtagspi for
programming spi-flash devices on intel devices using
a proxy bitstream.
Change-Id: Ib947b8c0dd61e2c6fa8beeb30074606131b1480f
Signed-off-by: Daniel Anselmi <danselmi@gmx.ch>
Reviewed-on: https://review.openocd.org/c/openocd/+/7837
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>