src/include: Add space after comma

Fix the following error detected by checkpatch.pl:

ERROR: space required after that ',' (ctx:VxV)

TEST=Build and run on Galileo Gen2

Change-Id: I297bfc3d03dc95b471d3bb4b13803e81963841b5
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18647
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/include/cpu/x86/lapic_def.h b/src/include/cpu/x86/lapic_def.h
index 2b1ca5a..ec1ca6e 100644
--- a/src/include/cpu/x86/lapic_def.h
+++ b/src/include/cpu/x86/lapic_def.h
@@ -75,7 +75,7 @@
 #define		LAPIC_DELIVERY_MODE_NMI		(4<<8)
 #define		LAPIC_DELIVERY_MODE_EXTINT	(7<<8)
 #define		GET_LAPIC_DELIVERY_MODE(x)	(((x)>>8)&0x7)
-#define		SET_LAPIC_DELIVERY_MODE(x,y)	(((x)&~0x700)|((y)<<8))
+#define		SET_LAPIC_DELIVERY_MODE(x, y)	(((x)&~0x700)|((y)<<8))
 #define			LAPIC_MODE_FIXED		0x0
 #define			LAPIC_MODE_NMI		0x4
 #define			LAPIC_MODE_EXINT		0x7