mb/google/herobrine: Remove NVMe from device tree

We need to boot eMMC for modem calibration, there is not need for BIOS
to initialize NVMe anymore as the kernel will do so.  Removing the pci
device from the device tree as a first step.

BUG=b:185426670, b:254281839
BRANCH=None
TEST=Boot after removing from the herobrine device tree.

Change-Id: I802dd1361bc56a24ab3d65e6782bc611b7b75ee3
Signed-off-by: Shelley Chen <shchen@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68571
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

src/mainboard/google/herobrine/devicetree.cb

@@ -2,7 +2,4 @@
 
 chip soc/qualcomm/sc7280
 	device cpu_cluster 0 on end
-	device domain 0 on
-		device pci 00.0 on end
-	end
 end