mb/amd/onyx: Include soc.asl file

This patch includes the soc.asl from Genoa (SoC) folder,
which in-turn includes pci_int_def.asl

Change-Id: Id7a3b9c752546638f7b446510e17c44e9f10106d
Signed-off-by: Varshit Pandya <pandyavarshit@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78496
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/amd/onyx/dsdt.asl

@@ -12,4 +12,6 @@ DefinitionBlock (
 )
 {	/* Start of ASL file */
 	#include <globalnvs.asl>
+
+	#include <soc.asl>
 } /* End of ASL file */