acpi: Drop wrong _ADR objects for PCI host bridges

Found-by: ACPICA 20191018
Change-Id: I81286d89da933b503f605737f28772bfb08483a3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36253
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/apollolake/acpi/northbridge.asl

@@ -17,7 +17,6 @@
 
 	Name(_HID, EISAID("PNP0A08"))	/* PCIe */
 	Name(_CID, EISAID("PNP0A03"))	/* PCI */
-	Name(_ADR, 0)
 	Name(_BBN, 0)
 
 Device (MCHC)