Fix XDOT compilation error

Typo with misplaced closing parenthesis leads to compilation error,
which is fixed with this patch

Author: LMESTM

targets/TARGET_STM/TARGET_STM32L1/TARGET_XDOT_L151CC/PeripheralPins.c

@@ -85,7 +85,7 @@ const PinMap PinMap_PWM[] = {
     {PB_12, PWM_10, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM10, 1, 0)}, // TIM10_CH1
     {PB_13, PWM_9,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM9, 1, 0)},  // TIM9_CH1
     {PB_14, PWM_9,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM9, 2, 0)},  // TIM9_CH2
-    {PB_15, PWM_11, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM11), 1, 0}, // TIM11_CH1
+    {PB_15, PWM_11, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM11, 1, 0)}, // TIM11_CH1
     {NC,    NC,     0}
 };