Add initial J-Link SPI programmer

Tested with SEGGER J-Link EDU, Flasher ARM and flash chip W25Q16.V.

Change-Id: Ie03a054a75457ec9e1cab36ea124bb53b10e8d7e
Signed-off-by: Marc Schink <flashrom-dev@marcschink.de>
Reviewed-on: https://review.coreboot.org/c/28087
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
6 files changed