flash_fp_mcu: Add support for Herobrine
flash_fp_mcu: Add support for Herobrine

Add the logic to find the gpios on herobrine.

BUG=None
BRANCH=None
TEST=flash_fp_mcu on Herobrine

Signed-off-by: Stephen Boyd <eeb31768d3df4444d6703fd44d40e628b44c8e77@chromium.org>
Change-Id: I8ed4f0df41d36f279a6e1d3a4dab74063d489f0f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3135042
Reviewed-by: Alexandru M Stan <1784cbba6d7675b1eba55eaefe41c7672ad9da3b@chromium.org>
Reviewed-by: Craig Hesling <383db090fd8ef907a606ac8a9eccd2962bc489cf@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec