mb/google/octopus: Disable PCIE NPK device

This patch sets the NPK device off for octopus.

BUG=b:76115112
TEST=Build for Octopus and check that the logs do not
report "PCI: 00:00.2 not found, disabling it".

Change-Id: I3ac01f90cf946b019a6604a38dd1d6782f8d5759
Signed-off-by: Shaunak Saha <shaunak.saha@intel.com>
Reviewed-on: https://review.coreboot.org/25801
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/octopus/variants/baseboard/devicetree.cb

@@ -95,7 +95,7 @@ chip soc/intel/apollolake
 	device domain 0 on
 		device pci 00.0 on  end	# - Host Bridge
 		device pci 00.1 on  end	# - DPTF
-		device pci 00.2 on  end	# - NPK
+		device pci 00.2 off end	# - NPK
 		device pci 02.0 on  end	# - Gen
 		device pci 03.0 on  end	# - Iunit
 		device pci 0c.0 on  end	# - CNVi