[MIPS] emma2rh: Fix build error by header file inclusion weeding.

  CC      arch/mips/emma2rh/markeins/setup.o
In file included from arch/mips/emma2rh/markeins/setup.c:30:
include/linux/ide.h:645: error: ‘CONFIG_IDE_MAX_HWIFS’ undeclared here (not in a function)
make[1]: *** [arch/mips/emma2rh/markeins/setup.o] Error 1

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/emma2rh/markeins/setup.c

@@ -25,23 +25,9 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/initrd.h>
-#include <linux/irq.h>
-#include <linux/ioport.h>
-#include <linux/param.h>	/* for HZ */
-#include <linux/root_dev.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
+
 #include <asm/time.h>
-#include <asm/bcache.h>
-#include <asm/irq.h>
 #include <asm/reboot.h>
-#include <asm/traps.h>
-#include <asm/debug.h>
 
 #include <asm/emma2rh/emma2rh.h>