[POWERPC] Change include protections to ASM_POWERPC

Change several headers in include/asm-powerpc that currently use some variation
of ASM_PPC to use ASM_POWERPC instead.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/asm-powerpc/tsi108_irq.h b/include/asm-powerpc/tsi108_irq.h
index 3e4d04e..6ed9397 100644
--- a/include/asm-powerpc/tsi108_irq.h
+++ b/include/asm-powerpc/tsi108_irq.h
@@ -26,8 +26,8 @@
  * demultiplexing on TSI108EMU/SVB boards.
  */
 
-#ifndef _ASM_PPC_TSI108_IRQ_H
-#define _ASM_PPC_TSI108_IRQ_H
+#ifndef _ASM_POWERPC_TSI108_IRQ_H
+#define _ASM_POWERPC_TSI108_IRQ_H
 
 /*
  * Tsi108 interrupts
@@ -121,4 +121,4 @@
 	TSI108_IRQ_DIRECTED,
 	TSI108_IRQ_DISTRIBUTED,
 } TSI108_IRQ_MODE;
-#endif				/*  _ASM_PPC_TSI108_IRQ_H */
+#endif				/*  _ASM_POWERPC_TSI108_IRQ_H */