[MIPS] Replace __attribute_used__ with __used

Replaces the deprecated __attribute_used__ with __used.  Also makes some
style adjustments to abide by the kernel coding conventions.

Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 06e04da..c37568d 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -567,7 +567,7 @@
 }
 
 save_static_function(sys32_clone);
-__attribute_used__ noinline static int
+static int noinline __used
 _sys32_clone(nabi_no_regargs struct pt_regs regs)
 {
 	unsigned long clone_flags;