clean-up: remove duplicate headers in OMAP

Removing duplicate headers in OMAP:
arch/arm/mach-omap1/board-palmtt.c: linux/input.h is included more than once.
arch/arm/mach-omap1/board-osk.c: linux/interrupt.h is included more than once.
arch/arm/mach-omap1/board-palmz71.c: linux/input.h is included more than once.
arch/arm/mach-omap1/board-nokia770.c: asm/arch/dsp_common.h is included more than once.
arch/arm/mach-omap1/board-nokia770.c: asm/arch/gpio.h is included more than once.
arch/arm/mach-omap2/pm.c: asm/arch/gpio.h is included more than once.
Signed-off-by: Francisco Alecrim <francisco.alecrim@indt.org.br>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap1/board-nokia770.c

@@ -32,11 +32,9 @@
 #include <asm/arch/common.h>
 #include <asm/arch/dsp_common.h>
 #include <asm/arch/aic23.h>
-#include <asm/arch/gpio.h>
 #include <asm/arch/omapfb.h>
 #include <asm/arch/hwa742.h>
 #include <asm/arch/lcd_mipid.h>
-#include <asm/arch/dsp_common.h>
 
 #define ADS7846_PENDOWN_GPIO	15
 

arch/arm/mach-omap1/board-osk.c

@@ -31,7 +31,6 @@
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/interrupt.h>
 #include <linux/i2c.h>
 
 #include <linux/mtd/mtd.h>

arch/arm/mach-omap1/board-palmtt.c

@@ -42,7 +42,6 @@
 #include <asm/arch/common.h>
 #include <asm/arch/omap-alsa.h>
 
-#include <linux/input.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
 

arch/arm/mach-omap1/board-palmz71.c

@@ -44,7 +44,6 @@
 #include <asm/arch/common.h>
 #include <asm/arch/omap-alsa.h>
 
-#include <linux/input.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
 

arch/arm/mach-omap2/pm.c

@@ -44,7 +44,6 @@
 #include <asm/arch/mux.h>
 #include <asm/arch/dma.h>
 #include <asm/arch/board.h>
-#include <asm/arch/gpio.h>
 
 #include "prm.h"
 #include "prm_regbits_24xx.h"