Fix 'make headers_check' on sh

Cleanup for user headers, as noted:

asm-sh/page.h requires asm-generic/memory_model.h, which does not exist in exported headers
asm-sh/ptrace.h requires asm/ubc.h, which does not exist in exported headers
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>

arch/sh/kernel/process.c

@@ -26,6 +26,7 @@
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
 #include <asm/elf.h>
+#include <asm/ubc.h>
 
 static int hlt_counter=0;
 

include/asm-sh/page.h

@@ -112,9 +112,8 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
 				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
-#endif /* __KERNEL__ */
-
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
+#endif /* __KERNEL__ */
 #endif /* __ASM_SH_PAGE_H */

include/asm-sh/ptrace.h

 #ifndef __ASM_SH_PTRACE_H
 #define __ASM_SH_PTRACE_H
 
-#include <asm/ubc.h>
-
 /*
  * Copyright (C) 1999, 2000  Niibe Yutaka
  *