squash! cpu/stm32_common: unify gpio driver

Fix wrong AF definition for stm32f0

cpu/stm32_common/include/periph_cpu_common.h

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2016 Freie Universität Berlin
+ *               2017 OTA keys S.A.
  *
  * This file is subject to the terms and conditions of the GNU Lesser
  * General Public License v2.1. See the file LICENSE in the top level
@@ -14,6 +15,7 @@
  * @brief           Shared CPU specific definitions for the STM32 family
  *
  * @author          Hauke Petersen <hauke.petersen@fu-berlin.de>
+ * @author          Vincent Dupont <vincent@otakeys.com>
  */
 
 #ifndef PERIPH_CPU_COMMON_H
@@ -120,11 +122,11 @@ typedef enum {
     GPIO_AF1,               /**< use alternate function 1 */
     GPIO_AF2,               /**< use alternate function 2 */
     GPIO_AF3,               /**< use alternate function 3 */
-#ifndef CPU_FAM_STM32F0
     GPIO_AF4,               /**< use alternate function 4 */
     GPIO_AF5,               /**< use alternate function 5 */
     GPIO_AF6,               /**< use alternate function 6 */
     GPIO_AF7,               /**< use alternate function 7 */
+#ifndef CPU_FAM_STM32F0
     GPIO_AF8,               /**< use alternate function 8 */
     GPIO_AF9,               /**< use alternate function 9 */
     GPIO_AF10,              /**< use alternate function 10 */