flashchips: Mark Macronix MX25U12835F as tested

As reported by David Martinka on the mailing list.

Erase has not been tested, but since writes are reported as working, it
is very likely erase works as well.

Change-Id: I172453fe902ccface2a3a85817d775d45dd7cf80
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/28812
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
1 file changed