Add EFM32GG11_STK3701 support

Author: stevew817

targets/TARGET_Silicon_Labs/TARGET_EFM32/PeripheralNames.h

@@ -55,6 +55,9 @@ typedef enum {
 #ifdef I2C1_BASE
     I2C_1 = I2C1_BASE,
 #endif
+#ifdef I2C2_BASE
+    I2C_2 = I2C2_BASE,
+#endif
 } I2CName;
 #endif
 
@@ -89,6 +92,12 @@ typedef enum {
 #ifdef USART3_BASE
     SPI_3 = USART3_BASE,
 #endif
+#ifdef USART4_BASE
+    SPI_4 = USART4_BASE,
+#endif
+#ifdef USART5_BASE
+    SPI_5 = USART5_BASE,
+#endif
 } SPIName;
 #endif
 
@@ -106,6 +115,12 @@ typedef enum {
 #ifdef USART3_BASE
     USART_3 = USART3_BASE,
 #endif
+#ifdef USART4_BASE
+    USART_4 = USART4_BASE,
+#endif
+#ifdef USART5_BASE
+    USART_5 = USART5_BASE,
+#endif
 #ifdef UART0_BASE
     UART_0 = UART0_BASE,
 #endif

targets/TARGET_Silicon_Labs/TARGET_EFM32/PeripheralPins.h

@@ -62,5 +62,11 @@ extern const PinMap PinMap_UART_TX[];
 extern const PinMap PinMap_UART_RX[];
 #endif
 
+#if DEVICE_CAN
+/************CAN***************/
+extern const PinMap PinMap_CAN_TX[];
+extern const PinMap PinMap_CAN_RX[];
+#endif
+
 #endif