[PATCH] ppc64: Cleanup kprobe assembly

The kprobes code is doing ".previous .text". While the assembler doesnt
warn at the moment (and it seems to work), it might in the future.
Signed-off-by: NAnton Blanchard <anton@samba.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/ppc64/kernel/misc.S

@@ -186,7 +186,8 @@ _KPROBE(__flush_icache_range)
 	bdnz	2b
 	isync
 	blr
-	.previous .text
+
+	.text
 /*
  * Like above, but only do the D-cache.
  *