Miscellaneous tweaks to serial outputs, code cleanups

Marlin/Marlin_main.cpp

@@ -13324,6 +13324,7 @@ void setup() {
     SERIAL_ECHOPGM(MSG_CONFIGURATION_VER);
     SERIAL_ECHOPGM(STRING_DISTRIBUTION_DATE);
     SERIAL_ECHOLNPGM(MSG_AUTHOR STRING_CONFIG_H_AUTHOR);
+    SERIAL_ECHO_START();
     SERIAL_ECHOLNPGM("Compiled: " __DATE__);
   #endif
 

Marlin/configuration_store.cpp

@@ -659,7 +659,7 @@ void MarlinSettings::postprocess() {
       #if ENABLED(EEPROM_CHITCHAT)
         SERIAL_ECHO_START();
         SERIAL_ECHOPAIR("Settings Stored (", eeprom_size - (EEPROM_OFFSET));
-        SERIAL_ECHOPAIR(" bytes; crc ", final_crc);
+        SERIAL_ECHOPAIR(" bytes; crc ", (uint32_t)final_crc);
         SERIAL_ECHOLNPGM(")");
       #endif
     }
@@ -1010,7 +1010,7 @@ void MarlinSettings::postprocess() {
           SERIAL_ECHO_START();
           SERIAL_ECHO(version);
           SERIAL_ECHOPAIR(" stored settings retrieved (", eeprom_index - (EEPROM_OFFSET));
-          SERIAL_ECHOPAIR(" bytes; crc ", working_crc);
+          SERIAL_ECHOPAIR(" bytes; crc ", (uint32_t)working_crc);
           SERIAL_ECHOLNPGM(")");
         #endif
       }

Marlin/pinsDebug.h

@@ -272,7 +272,10 @@ const volatile uint8_t* const PWM_OCR[][3] PROGMEM = {
 static void err_is_counter()     { SERIAL_PROTOCOLPGM("   non-standard PWM mode"); }
 static void err_is_interrupt()   { SERIAL_PROTOCOLPGM("   compare interrupt enabled"); }
 static void err_prob_interrupt() { SERIAL_PROTOCOLPGM("   overflow interrupt enabled"); }
+
+#if AVR_ATmega2560_FAMILY || AVR_AT90USB1286_FAMILY
   static void print_is_also_tied() { SERIAL_PROTOCOLPGM(" is also tied to this pin"); SERIAL_PROTOCOL_SP(14); }
+#endif
 
 void com_print(uint8_t N, uint8_t Z) {
   const uint8_t *TCCRA = (uint8_t*)TCCR_A(N);