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/linux/elfnote.h b/include/linux/elfnote.h
index e831759..278e3ef 100644
--- a/include/linux/elfnote.h
+++ b/include/linux/elfnote.h
@@ -76,7 +76,7 @@
 		typeof(desc) _desc					\
 			     __attribute__((aligned(sizeof(Elf##size##_Word)))); \
 	} _ELFNOTE_PASTE(_note_, unique)				\
-		__attribute_used__					\
+		__used							\
 		__attribute__((section(".note." name),			\
 			       aligned(sizeof(Elf##size##_Word)),	\
 			       unused)) = {				\