[PARISC] Remove hardcoded uses of PAGE_SIZE

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
diff --git a/arch/parisc/hpux/gate.S b/arch/parisc/hpux/gate.S
index 0b9d5b1..38a1c1b 100644
--- a/arch/parisc/hpux/gate.S
+++ b/arch/parisc/hpux/gate.S
@@ -20,7 +20,7 @@
 	.import hpux_call_table
 	.import hpux_syscall_exit,code
 
-	.align 4096
+	.align	PAGE_SIZE
 ENTRY(hpux_gateway_page)
 	nop
 #ifdef CONFIG_64BIT
@@ -103,5 +103,5 @@
 	ldo	-ENOSYS(%r0),%r28
 ENDPROC(hpux_gateway_page)
 
-	.align 4096
+	.align	PAGE_SIZE
 ENTRY(end_hpux_gateway_page)