h8300: Use generic asm/mmu.h

h8300's asm/mmu.h is basically identical to asm-generic/mmu.h, so use it instead
of the custom version.
Signed-off-by: NLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

arch/h8300/include/asm/Kbuild

@@ -2,4 +2,5 @@ include include/asm-generic/Kbuild.asm
 
 generic-y += clkdev.h
 generic-y += exec.h
+generic-y += mmu.h
 generic-y += module.h

arch/h8300/include/asm/mmu.h

-#ifndef __MMU_H
-#define __MMU_H
-
-/* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
-
-typedef struct {
-	unsigned long		end_brk;
-} mm_context_t;
-
-#endif