Documentation: Add build instructions for meson

flashrom-stable:
* Drop references to unit tests
* Rename to `building_meson.md`

Change-Id: I3476f17fa274cd71e3e0e84f791d547d08165ecb
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/66862
Original-Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/73398
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed