s390/vdso: use __ALIGN instead of open coded .align

Use __ALIGN instead of open coded .align statement to make sure that
vdso code follows global kernel function alignment rules.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

arch/s390/kernel/vdso32/vdso_user_wrapper.S

 /* SPDX-License-Identifier: GPL-2.0 */
 
+#include <linux/linkage.h>
 #include <asm/unistd.h>
 #include <asm/dwarf.h>
 
 .macro vdso_syscall func,syscall
 	.globl __kernel_compat_\func
 	.type  __kernel_compat_\func,@function
-	.align 8
+	__ALIGN
 __kernel_compat_\func:
 	CFI_STARTPROC
 	svc	\syscall

arch/s390/kernel/vdso64/vdso_user_wrapper.S

 /* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
 #include <asm/vdso.h>
 #include <asm/unistd.h>
 #include <asm/asm-offsets.h>
@@ -16,7 +17,7 @@
 .macro vdso_func func
 	.globl __kernel_\func
 	.type  __kernel_\func,@function
-	.align 8
+	__ALIGN
 __kernel_\func:
 	CFI_STARTPROC
 	aghi	%r15,-WRAPPER_FRAME_SIZE
@@ -41,7 +42,7 @@ vdso_func getcpu
 .macro vdso_syscall func,syscall
 	.globl __kernel_\func
 	.type  __kernel_\func,@function
-	.align 8
+	__ALIGN
 __kernel_\func:
 	CFI_STARTPROC
 	svc	\syscall