[PARISC] Remove hardcoded uses of PAGE_SIZE

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 06cde9e..69b6eeb 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -637,7 +637,7 @@
 		will use this set of locks 
 	*/
 	.section .data
-	.align 4096
+	.align	PAGE_SIZE
 ENTRY(lws_lock_start)
 	/* lws locks */
 	.align 16