PCI - Add interrupt disable bit definition

BRANCH=none
BUG=None
TEST=Build Braswell/Strago

Change-Id: I11a4c02af3b40edf2252b9e20298941b99f31d21
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 1629d7454a3d4adb8930d14849c41c9a711f4c9a
Original-Change-Id: Ie907637f7c823de681ef2e315e803dffc6ad33d3
Original-Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/241081
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/9487
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/include/device/pci_def.h b/src/include/device/pci_def.h
index c49e4eb..ef3427b 100644
--- a/src/include/device/pci_def.h
+++ b/src/include/device/pci_def.h
@@ -18,6 +18,7 @@
 #define  PCI_COMMAND_WAIT 	0x80	/* Enable address/data stepping */
 #define  PCI_COMMAND_SERR	0x100	/* Enable SERR */
 #define  PCI_COMMAND_FAST_BACK	0x200	/* Enable back-to-back writes */
+#define  PCI_COMMAND_INT_DISABLE 0x400	/* Interrupt disable */
 
 #define PCI_STATUS		0x06	/* 16 bits */
 #define  PCI_STATUS_CAP_LIST	0x10	/* Support Capability List */