[POWERPC] Clean out a bunch of duplicate includes

This removes several duplicate includes from arch/powerpc/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/platforms/pseries/lpar.c

@@ -35,7 +35,6 @@
 #include <asm/tlbflush.h>
 #include <asm/tlb.h>
 #include <asm/prom.h>
-#include <asm/abs_addr.h>
 #include <asm/cputable.h>
 #include <asm/udbg.h>
 #include <asm/smp.h>