[ARM] use __used attribute

Use the newly introduced __used attribute in place of the deprecated
__attribute_used__.  Functionally the same.

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/setup.h b/include/asm-arm/setup.h
index e540739..7bbf105 100644
--- a/include/asm-arm/setup.h
+++ b/include/asm-arm/setup.h
@@ -185,7 +185,7 @@
 
 #ifdef __KERNEL__
 
-#define __tag __attribute_used__ __attribute__((__section__(".taglist.init")))
+#define __tag __used __attribute__((__section__(".taglist.init")))
 #define __tagtable(tag, fn) \
 static struct tagtable __tagtable_##fn __tag = { tag, fn }
 
@@ -218,7 +218,7 @@
 };
 
 #define __early_param(name,fn)					\
-static struct early_params __early_##fn __attribute_used__	\
+static struct early_params __early_##fn __used			\
 __attribute__((__section__(".early_param.init"))) = { name, fn }
 
 #endif  /*  __KERNEL__  */