Grunt boards don't use SATA, so it should be disabled to save power.
Check if SATA is enabled in devicetree, and enable/disable the device
based on that setting.
BUG=b:112139043
TEST=Buil and boot grunt, checked the absence of SATA PCI.
Change-Id: I4a3b5f65e612e8da5bedff0c557a0850f350dfa8
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/27845
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
bb18b43065