Misc general spacing cleanup

Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp

@@ -496,7 +496,7 @@
     }
 
     void MarlinSerial::writeNoHandshake(const uint8_t c) {
-      while (!TEST(M_UCSRxA, M_UDREx)) ;
+      while (!TEST(M_UCSRxA, M_UDREx)) { /* nada */ }
       M_UDRx = c;
     }
 

Marlin/src/HAL/HAL_LPC1768/LPC1768_PWM.h

@@ -431,7 +431,7 @@ HAL_PWM_LPC1768_ISR {
     ISR_table = active_table;                    // MR0 means new values could have been loaded so set everything
     if (PWM_table_swap) LPC_PWM1->MCR = LPC1768_PWM_interrupt_mask; // enable new PWM individual channel interrupts
 
-    for (uint8_t i = 0; (i < NUM_PWMS) ; i++) {
+    for (uint8_t i = 0; i < NUM_PWMS; i++) {
       if(ISR_table[i].active_flag && !((ISR_table[i].logical_pin ==  11) ||
                                        (ISR_table[i].logical_pin ==  4) ||
                                        (ISR_table[i].logical_pin ==  6)))

Marlin/src/HAL/persistent_store_api.h

@@ -10,7 +10,7 @@ namespace PersistentStore {
 bool access_start();
 bool access_finish();
 bool write_data(int &pos, const uint8_t *value, uint16_t size, uint16_t *crc);
-void read_data(int &pos, uint8_t* value, uint16_t size, uint16_t *crc) ;
+void read_data(int &pos, uint8_t* value, uint16_t size, uint16_t *crc);
 
 } // PersistentStore
 } // HAL

frameworks/CMSIS/LPC1768/driver/lpc17xx_systick.c

@@ -73,7 +73,7 @@ void SYSTICK_InternalInit(uint32_t time)
 	 * 1/SystemCoreClock * (2^24) * 1000 (ms)
 	 */
 	//check time value is available or not
-	maxtime = (1<<24)/(SystemCoreClock / 1000) ;
+	maxtime = (1<<24)/(SystemCoreClock / 1000);
 	if(time > maxtime)
 		//Error loop
 		while(1);
@@ -105,7 +105,7 @@ void SYSTICK_ExternalInit(uint32_t freq, uint32_t time)
 	 * 1/freq * (2^24) * 1000 (ms)
 	 */
 	//check time value is available or not
-	maxtime = (1<<24)/(freq / 1000) ;
+	maxtime = (1<<24)/(freq / 1000);
 	if (time>maxtime)
 		//Error Loop
 		while(1);