get rid of generic instances of asm/exec.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild
index 3136628..aa47fff 100644
--- a/arch/avr32/include/asm/Kbuild
+++ b/arch/avr32/include/asm/Kbuild
@@ -1,3 +1,4 @@
 include include/asm-generic/Kbuild.asm
 
+generic-y	+= exec.h
 header-y	+= cachectl.h
diff --git a/arch/avr32/include/asm/exec.h b/arch/avr32/include/asm/exec.h
deleted file mode 100644
index f467be8..0000000
--- a/arch/avr32/include/asm/exec.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * Copyright (C) 2004-2006 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __ASM_AVR32_EXEC_H
-#define __ASM_AVR32_EXEC_H
-
-#define arch_align_stack(x)	(x)
-
-#endif /* __ASM_AVR32_EXEC_H */