mainboard/ocp/deltalake: Use xeon_sp pch.asl

Use the xeon_sp pch.asl to pickup the common block lpc.asl. This
allows deltalake to pick up any general pch asl updates. Currently,
generates the same asl.

Change-Id: I5005032b030d288fdf5ca2f99d21fe8e6c752037
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47304
Reviewed-by: Jay Talbott <JayTalbott@sysproconsulting.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/ocp/deltalake/dsdt.asl

@@ -24,6 +24,6 @@ DefinitionBlock(
 	// LPC related entries
 	Scope (\_SB.PC00)
 	{
-		#include <soc/intel/common/block/acpi/acpi/lpc.asl>
+		#include <soc/intel/xeon_sp/acpi/pch.asl>
 	}
 }