ARM: 7447/1: rwlocks: remove unused branch labels from trylock routines

The ARM arch_{read,write}_trylock implementations include unused
backwards branch labels, since we don't retry the locking operation
if the exclusive store fails.

This patch removes the labels.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index 0da2eff..b4ca707 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -182,7 +182,7 @@
 	unsigned long tmp;
 
 	__asm__ __volatile__(
-"1:	ldrex	%0, [%1]\n"
+"	ldrex	%0, [%1]\n"
 "	teq	%0, #0\n"
 "	strexeq	%0, %2, [%1]"
 	: "=&r" (tmp)
@@ -268,7 +268,7 @@
 	unsigned long tmp, tmp2 = 1;
 
 	__asm__ __volatile__(
-"1:	ldrex	%0, [%2]\n"
+"	ldrex	%0, [%2]\n"
 "	adds	%0, %0, #1\n"
 "	strexpl	%1, %0, [%2]\n"
 	: "=&r" (tmp), "+r" (tmp2)