ARM: move serial_sa1100.h header file to linux/platform_data

This is really driver platform data, so move it to the appropriate
directory.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-sa1100/neponset.c

@@ -7,6 +7,7 @@
 #include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/platform_data/sa11x0-serial.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
 #include <linux/serial_core.h>
@@ -14,7 +15,6 @@
 
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
-#include <asm/mach/serial_sa1100.h>
 #include <asm/hardware/sa1111.h>
 #include <asm/sizes.h>