AP_HAL_Linux: Unify from print or println to printf.

libraries/AP_HAL_Linux/AnalogIn_ADS1115.cpp

@@ -56,7 +56,7 @@ AP_HAL::AnalogSource* AnalogIn_ADS1115::channel(int16_t pin)
         }
     }
 
-    hal.console->println("Out of analog channels");
+    hal.console->printf("Out of analog channels\n");
     return nullptr;
 }
 

libraries/AP_HAL_Linux/AnalogIn_Navio2.cpp

@@ -114,7 +114,7 @@ AP_HAL::AnalogSource *AnalogIn_Navio2::channel(int16_t pin)
         }
     }
 
-    hal.console->println("Out of analog channels");
+    hal.console->printf("Out of analog channels\n");
     return nullptr;
 }
 

libraries/AP_HAL_Linux/AnalogIn_Raspilot.cpp

@@ -67,7 +67,7 @@ AP_HAL::AnalogSource* AnalogIn_Raspilot::channel(int16_t pin)
         }
     }
 
-    hal.console->println("Out of analog channels");
+    hal.console->printf("Out of analog channels\n");
     return nullptr;
 }