Merge pull request #13574 from amq/patch-4

Fix a typo in PeripheralPins.c for EFM32GG11

Author: 0xc0170

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32GG11/PeripheralPins.c

@@ -98,7 +98,7 @@ MBED_WEAK const PinMap PinMap_ADC[] = {
     {PF10, ADC_0, adcPosSelAPORT3XCH26},
     {PF11, ADC_0, adcPosSelAPORT4XCH27},
     {PF12, ADC_0, adcPosSelAPORT3XCH28},
-    {PF13, ADC_0, adcPosSelAPORT4XCH31},
+    {PF13, ADC_0, adcPosSelAPORT4XCH29},
     {PF14, ADC_0, adcPosSelAPORT3XCH30},
     {PF15, ADC_0, adcPosSelAPORT4XCH31},
 #endif