GPIO46 is wired to a tiny switch on the board labelled "GPU Boost".
Since coreboot could make use of it, add a comment about it on gpio.c.
Change-Id: I0efa85e6d8235711521b10e56b7c89a25c4b2b7f
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34185
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
b62c1e392b