Space out exclamation marks in audio examples

Just for the rare chance that someone is using the ATMega2560 with the original bootloader, triple exclamation marks would cause bad things. Easy enough to avoid by spacing them out!

Author: sfe-SparkFro

examples/Audio_Examples/AudioExample1_PlayTone/AudioExample1_PlayTone.ino

@@ -19,11 +19,11 @@ void setup()
   Serial.println(F("u-blox Cellular Audio Example 1 - Play Tone"));
 
   Serial.println();
-  Serial.println(F("!!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!!"));
+  Serial.println(F("! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! !"));
   Serial.println(F("This example requires an audio codec attached to the I2S interface"));
   Serial.println(F("of the cellular modem. Please add one and update this example as"));
   Serial.println(F("needed to configure your audio codec!"));
-  Serial.println(F("!!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!!"));
+  Serial.println(F("! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! !"));
   Serial.println();
 
   Serial.println(F("Press any key to begin"));

examples/Audio_Examples/AudioExample2_Loopback/AudioExample2_Loopback.ino

@@ -19,11 +19,11 @@ void setup()
   Serial.println(F("u-blox Cellular Audio Example 2 - Loopback"));
 
   Serial.println();
-  Serial.println(F("!!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!!"));
+  Serial.println(F("! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! !"));
   Serial.println(F("This example requires an audio codec attached to the I2S interface"));
   Serial.println(F("of the cellular modem. Please add one and update this example as"));
   Serial.println(F("needed to configure your audio codec!"));
-  Serial.println(F("!!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!!"));
+  Serial.println(F("! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! !"));
   Serial.println();
 
   Serial.println(F("Press any key to begin"));

examples/Audio_Examples/AudioExample3_CallControl/AudioExample3_CallControl.ino

@@ -30,11 +30,11 @@ void setup()
   Serial.println(F("u-blox Cellular Audio Example 3 - Call Control"));
 
   Serial.println();
-  Serial.println(F("!!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!!"));
+  Serial.println(F("! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! !"));
   Serial.println(F("This example requires an audio codec attached to the I2S interface"));
   Serial.println(F("of the cellular modem. Please add one and update this example as"));
   Serial.println(F("needed to configure your audio codec!"));
-  Serial.println(F("!!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!! ATTENTION !!!!!!!!"));
+  Serial.println(F("! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! ! ATTENTION ! ! ! ! !"));
   Serial.println();
 
   Serial.println(F("Press any key to begin"));