intel/pci: Utilise pci_def.h for PCI_BRIDGE_CONTROL

This is a PCI standard register, no need to alias its
definitions under different names.

Change-Id: Iea6b198dd70fe1e49b5dc0824dba62628dedc69a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35521
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/southbridge/intel/lynxpoint/pcie.c b/src/southbridge/intel/lynxpoint/pcie.c
index a3b2e09..1eb8e4b 100644
--- a/src/southbridge/intel/lynxpoint/pcie.c
+++ b/src/southbridge/intel/lynxpoint/pcie.c
@@ -19,6 +19,7 @@
 #include <console/console.h>
 #include <device/device.h>
 #include <device/pci.h>
+#include <device/pci_def.h>
 #include <device/pciexp.h>
 #include <device/pci_ids.h>
 #include <device/pci_ops.h>
@@ -684,11 +685,10 @@
 	// This has no effect but the OS might expect it
 	pci_write_config8(dev, 0x0c, 0x10);
 
-	reg16 = pci_read_config16(dev, 0x3e);
-	reg16 &= ~(1 << 0); /* disable parity error response */
-	// reg16 &= ~(1 << 1); /* disable SERR */
-	reg16 |= (1 << 2); /* ISA enable */
-	pci_write_config16(dev, 0x3e, reg16);
+	reg16 = pci_read_config16(dev, PCI_BRIDGE_CONTROL);
+	reg16 &= ~PCI_BRIDGE_CTL_PARITY;
+	reg16 |= PCI_BRIDGE_CTL_NO_ISA;
+	pci_write_config16(dev, PCI_BRIDGE_CONTROL, reg16);
 
 #ifdef EVEN_MORE_DEBUG
 	reg32 = pci_read_config32(dev, 0x20);