HAL_ChibiOS: fixed uart order for revo-mini

and setup right battery pins

libraries/AP_HAL_ChibiOS/hwdef/revo-mini/hwdef.dat

@@ -28,7 +28,7 @@ STDOUT_BAUDRATE 57600
 I2C_ORDER I2C1
 
 # order of UARTs (and USB)
-UART_ORDER OTG1 USART1 USART3
+UART_ORDER OTG1 USART3 USART1
 
 # rcinput is PC6, which is the 3rd "PWM IN" pin (the yellow wire on a
 # revolution board)
@@ -38,7 +38,14 @@ PC6 TIM8_CH1 TIM8 RCIN FLOAT LOW DMA_CH0
 PC3 VDD_5V_SENS ADC1
 PC2 BATT_VOLTAGE_SENS ADC1 SCALE(1)
 PC1 BATT_CURRENT_SENS ADC1 SCALE(1)
-PC5 USB_SENSE ADC1 
+PC5 USB_SENSE ADC1
+
+# define default battery setup
+define HAL_BATT_VOLT_PIN 12
+define HAL_BATT_CURR_PIN 11
+define HAL_BATT_VOLT_SCALE 10.1
+define HAL_BATT_CURR_SCALE 17.0
+
 
 PC0 SBUS_INVERT OUTPUT LOW