initial pass at gpio cleanup. removed almost all dependency on stdperiphlib (remaining exti).

slightly modified initial pin configuration, but this needs rework soon anyway.
couple spacing/line ending/formatting fixes in sonar driver file while fixing gpio there.

git-svn-id: https://afrodevices.googlecode.com/svn/trunk/baseflight@357 7c89a4a9-59b9-e629-4cfe-3a2d53b20e61

src/main.c

@@ -6,8 +6,8 @@ extern rcReadRawDataPtr rcReadRawFunc;
 
 // two receiver read functions
 extern uint16_t pwmReadRawRC(uint8_t chan);
-extern uint16_t spektrumReadRawRC(uint8_t chan);
-
+extern uint16_t spektrumReadRawRC(uint8_t chan);
+
 #ifdef USE_LAME_PRINTF
 // gcc/GNU version
 static void _putc(void *p, char c)
@@ -68,8 +68,8 @@ int main(void)
         mcfg.power_adc_channel = 0;
     }
 
-    adcInit(&adc_params);
-
+    adcInit(&adc_params);
+
     // We have these sensors; SENSORS_SET defined in board.h depending on hardware platform
     sensorsSet(SENSORS_SET);
 
@@ -140,8 +140,8 @@ int main(void)
 
     // Check battery type/voltage
     if (feature(FEATURE_VBAT))
-        batteryInit();
-
+        batteryInit();
+
     serialInit(mcfg.serial_baudrate);
 
     previousTime = micros();