remove __attribute_used__

Remove the deprecated __attribute_used__.

[Introduce __section in a few places to silence checkpatch /sam]

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/include/asm-sh/machvec.h b/include/asm-sh/machvec.h
index ddb18ad..b2e4124 100644
--- a/include/asm-sh/machvec.h
+++ b/include/asm-sh/machvec.h
@@ -65,6 +65,6 @@
 #define get_system_type()	sh_mv.mv_name
 
 #define __initmv \
-	__attribute_used__ __attribute__((__section__ (".machvec.init")))
+	__used __section(.machvec.init)
 
 #endif /* _ASM_SH_MACHVEC_H */