Added mapping to BTN-labelled switches

targets/TARGET_NXP/TARGET_LPC11UXX/TARGET_LPC11U37H_401/PinNames.h

@@ -106,6 +106,9 @@ typedef enum {
     // BTN Names
     BTN1 = P0_16,
     BTN2 = P0_1,
+    // Standardized button names
+    BUTTON1 = BTN1,
+    BUTTON2 = BTN2,
     
     // UART
     UART_TX = P0_19,

targets/TARGET_NXP/TARGET_LPC176X/TARGET_XBED_LPC1768/PinNames.h

@@ -79,6 +79,8 @@ typedef enum {
 	//xbed lpc1768 Pin Names
     LED5 = P2_6,
     BTN1 = P2_8,
+    // Standardized button names
+    BUTTON1 = BTN1,
     SDA = P0_27,
     SCL = P0_28,
     ISP = P2_10,

targets/TARGET_NXP/TARGET_LPC43XX/TARGET_LPC4330/PinNames.h

@@ -615,6 +615,8 @@ typedef enum {
     LED_BLUE = LED4,
 
     BTN1 = P2_7,
+    // Standardized button names
+    BUTTON1 = BTN1,
 
     // Serial pins - UART, SPI, I2C
     //                   210E    210     200E    200

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32GG/TARGET_EFM32GG_STK3700/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PB10,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Serial */
     SERIAL_TX   = PD0,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32HG/TARGET_EFM32HG_STK3400/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PC10,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Serial */
     SERIAL_TX   = PE10,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG/TARGET_EFM32LG_STK3600/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PB10,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Serial */
     SERIAL_TX   = PD0,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32PG/TARGET_EFM32PG_STK3401/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PF7,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Serial (just some usable pins) */
     SERIAL_TX   = PD10,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32PG12/TARGET_EFM32PG12_STK3402/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PF7,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Expansion headers */
     EXP3  = PA8,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32WG/TARGET_EFM32WG_STK3800/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PB10,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Serial */
     SERIAL_TX   = PD0,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32ZG/TARGET_EFM32ZG_STK3200/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PC9,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Serial */
     SERIAL_TX   = PD7,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFR32MG1/TARGET_EFR32MG1_BRD4150/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PF7,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Serial (just some usable pins) */
     SERIAL_TX   = PD10,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFR32MG1/TARGET_TB_SENSE_1/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PD15,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Serial (just some usable pins) */
     SERIAL_TX   = PD10,

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFR32MG12/TARGET_TB_SENSE_12/PinNames.h

@@ -44,6 +44,9 @@ typedef enum {
     SW1 = PD15,
     BTN0 = SW0,
     BTN1 = SW1,
+    // Standardized button names
+    BUTTON1 = BTN0,
+    BUTTON2 = BTN1,
 
     /* Expansion headers */
     EXP3  = PA8,