Add MBED_WEAK for pins

Author: adustm

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F469xI/TARGET_DISCO_F469NI/PeripheralPins.c

@@ -390,21 +390,20 @@ MBED_WEAK const PinMap PinMap_CAN_TD[] = {
 };
 
 
-const PinMap PinMap_QSPI_DATA[] = {
+MBED_WEAK const PinMap PinMap_QSPI_DATA[] = {
     {PF_6,  QSPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_QSPI)},
     {PF_7,  QSPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_QSPI)},
-    {PF_8, QSPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QSPI)},
+    {PF_8,  QSPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QSPI)},
     {PF_9,  QSPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QSPI)},
-
     {NC,    NC,    0}
 };
 
-const PinMap PinMap_QSPI_SCLK[] = {
+MBED_WEAK const PinMap PinMap_QSPI_SCLK[] = {
     {PF_10,  QSPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_QSPI)},
     {NC,    NC,    0}
 };
 
-const PinMap PinMap_QSPI_SSEL[] = {
+MBED_WEAK const PinMap PinMap_QSPI_SSEL[] = {
     {PB_6,  QSPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QSPI)},
     {NC,    NC,    0}
 };