Per the datasheet and the it87 kernel driver, the IT8728F supports
both 5 fans (vs 3) and use of a single 7-bit register for the
PWM slope (5 bits in closed-loop mode).
Change-Id: I3d1e6f5030f18d2c8ff533965ae4718be0f3c279
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44419
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>