[PATCH 6/16] xics: trim includes

[Milton Miller]

Trim unneeded includes from xics.c.  We don't use signals or gfp
flags, we use only OF functions and don't need prom, and the 8259
is now handled by our caller.

Signed-off-by: Milton Miller <miltonm at bga.com>
---
asm/smp.h gives us cpu mask accessors for !CONFIG_SMP, used in the next patch

Index: work.git/arch/powerpc/platforms/pseries/xics.c
===================================================================
--- work.git.orig/arch/powerpc/platforms/pseries/xics.c	2008-08-07 03:41:08.000000000 -0500
+++ work.git/arch/powerpc/platforms/pseries/xics.c	2008-08-07 03:43:12.000000000 -0500
@@ -15,21 +15,18 @@
 #include <linux/irq.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
-#include <linux/signal.h>
 #include <linux/init.h>
-#include <linux/gfp.h>
 #include <linux/radix-tree.h>
 #include <linux/cpu.h>
+#include <linux/of.h>
 
 #include <asm/firmware.h>
-#include <asm/prom.h>
 #include <asm/io.h>
 #include <asm/pgtable.h>
 #include <asm/smp.h>
 #include <asm/rtas.h>
 #include <asm/hvcall.h>
 #include <asm/machdep.h>
-#include <asm/i8259.h>
 
 #include "xics.h"
 #include "plpar_wrappers.h"