soc/intel/skylake: Move pci_irqs.asl from SA to PCH

SoC handles PCI IRQs programming inside PCH related ASL.

TEST=Build and boot EVE and Soraka to OS.

Change-Id: If95101193fa1b528dc64f57c0fc12f13f16d82b4
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38510
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/soc/intel/skylake/acpi/pch.asl

@@ -23,6 +23,9 @@
 #include <soc/gpe.h>
 #include <soc/pcr_ids.h>
 
+/* PCI IRQ assignment */
+#include "pci_irqs.asl"
+
 /* GPIO Controller */
 #include "gpio.asl"
 

src/soc/intel/skylake/acpi/systemagent.asl

@@ -336,6 +336,3 @@ Device (PDRC)
 		Return (BUF0)
 	}
 }
-
-/* PCI IRQ assignment */
-#include "pci_irqs.asl"