add new prom.h for AU1x00

Add new prom.h for AU1x00.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index b212c07..a90d425 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -40,10 +40,11 @@
 #include <asm/mipsregs.h>
 #include <asm/reboot.h>
 #include <asm/pgtable.h>
-#include <asm/mach-au1x00/au1000.h>
 #include <asm/time.h>
 
-extern char * prom_getcmdline(void);
+#include <au1000.h>
+#include <prom.h>
+
 extern void __init board_setup(void);
 extern void au1000_restart(char *);
 extern void au1000_halt(void);