spi: nuc900: Cleanup spi-nuc900.h header

Commit 54ecf4f0 ("ARM: w90x900: move platform_data definitions")
moved the file to the current location but forgot to remove the pointer
to its previous location. Clean it up. While at it also change the header
file protection macros appropriately.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

include/linux/platform_data/spi-nuc900.h

 /*
- * arch/arm/mach-w90x900/include/mach/nuc900_spi.h
- *
  * Copyright (c) 2009 Nuvoton technology corporation.
  *
  * Wan ZongShun <mcuos.com@gmail.com>
@@ -11,8 +9,8 @@
  *
  */
 
-#ifndef __ASM_ARCH_SPI_H
-#define __ASM_ARCH_SPI_H
+#ifndef __SPI_NUC900_H
+#define __SPI_NUC900_H
 
 extern void mfp_set_groupg(struct device *dev, const char *subname);
 
@@ -32,4 +30,4 @@ struct nuc900_spi_chip {
 	unsigned char bits_per_word;
 };
 
-#endif /* __ASM_ARCH_SPI_H */
+#endif /* __SPI_NUC900_H */