[MIPS] Alchemy: kill useless #include's, #define's and extern's

Go thru the Alchemy code and hunt down every unneeded #include, #define, and
extern (some of which refer to already long dead functions).

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c
index 39d6812..c1c860c 100644
--- a/arch/mips/au1000/common/platform.c
+++ b/arch/mips/au1000/common/platform.c
@@ -7,11 +7,9 @@
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-#include <linux/device.h>
+
 #include <linux/platform_device.h>
-#include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/resource.h>
 
 #include <asm/mach-au1x00/au1xxx.h>