arch/powerpc/platforms/powernv/setup.c: included asm/xics.h twice

arch/powerpc/platforms/powernv/setup.c: included 'asm/xics.h' twice,
remove the duplicate.
Signed-off-by: NDanny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/platforms/powernv/setup.c

@@ -31,7 +31,6 @@
 #include <asm/xics.h>
 #include <asm/rtas.h>
 #include <asm/opal.h>
-#include <asm/xics.h>
 
 #include "powernv.h"