locking: Rename __RAW_SPIN_LOCK_UNLOCKED to __ARCH_SPIN_LOCK_UNLOCKED

Further name space cleanup. No functional change

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: linux-arch@vger.kernel.org
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 579069c..57dfa41 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -42,7 +42,7 @@
 #include <asm/mmu.h>
 
 struct rtas_t rtas = {
-	.lock = __RAW_SPIN_LOCK_UNLOCKED
+	.lock = __ARCH_SPIN_LOCK_UNLOCKED
 };
 EXPORT_SYMBOL(rtas);