adding internal ADC pin definition for MBED_CONNECT_ODIN and MBED_ODIN_W2

Author: aqib-ublox

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_MODULE_UBLOX_ODIN_W2/TARGET_MBED_CONNECT_ODIN/PinNames.h

@@ -150,6 +150,11 @@ typedef enum {
     SPI0_CS    = PE_11,
     SPI1_CS    = PE_9,
 
+    // ADC internal channels
+    ADC_TEMP = 0xF0,
+    ADC_VREF = 0xF1,
+    ADC_VBAT = 0xF2,
+
     SPI_MOSI   = SPI0_MOSI,
     SPI_MISO   = SPI0_MISO,
     SPI_SCK    = SPI0_SCK,

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_MODULE_UBLOX_ODIN_W2/TARGET_MTB_UBLOX_ODIN_W2/PinNames.h

@@ -164,6 +164,11 @@ typedef enum {
     I2C_SDA    = PF_0,
     I2C_SCL    = PF_1,
 
+    // ADC internal channels
+    ADC_TEMP = 0xF0,
+    ADC_VREF = 0xF1,
+    ADC_VBAT = 0xF2,
+
     SPI0_MOSI  = PE_14,
     SPI0_MISO  = PE_13,
     SPI0_SCK   = PE_12,