🐛 Fix LCD define typos

Marlin/src/lcd/extui/dgus/fysetc/DGUSDisplayDef.h

@@ -51,7 +51,7 @@ enum DGUSLCD_Screens : uint8_t {
   DGUSLCD_SCREEN_KILL                = 250, ///< Kill Screen. Must always be 250 (to be able to display "Error wrong LCD Version")
   DGUSLCD_SCREEN_WAITING             = 251,
   DGUSLCD_SCREEN_POPUP               = 252, ///< special target, popup screen will also return this code to say "return to previous screen"
-  DGUSLDC_SCREEN_UNUSED              = 255
+  DGUSLCD_SCREEN_UNUSED              = 255
 };
 
 // Display Memory layout used (T5UID)

Marlin/src/lcd/extui/dgus/hiprecy/DGUSDisplayDef.h

@@ -51,7 +51,7 @@ enum DGUSLCD_Screens : uint8_t {
   DGUSLCD_SCREEN_KILL                 = 250, ///< Kill Screen. Must always be 250 (to be able to display "Error wrong LCD Version")
   DGUSLCD_SCREEN_WAITING              = 251,
   DGUSLCD_SCREEN_POPUP                = 252, ///< special target, popup screen will also return this code to say "return to previous screen"
-  DGUSLDC_SCREEN_UNUSED               = 255
+  DGUSLCD_SCREEN_UNUSED               = 255
 };
 
 // Display Memory layout used (T5UID)

Marlin/src/lcd/extui/dgus/mks/DGUSDisplayDef.h

@@ -238,7 +238,7 @@ enum DGUSLCD_Screens : uint8_t {
   DGUSLCD_SCREEN_KILL                   = 250, ///< Kill Screen. Must always be 250 (to be able to display "Error wrong LCD Version")
   DGUSLCD_SCREEN_WAITING                = 251,
   DGUSLCD_SCREEN_POPUP                  = 252, ///< special target, popup screen will also return this code to say "return to previous screen"
-  DGUSLDC_SCREEN_UNUSED                 = 255
+  DGUSLCD_SCREEN_UNUSED                 = 255
 };
 
 

Marlin/src/lcd/extui/dgus/origin/DGUSDisplayDef.h

@@ -46,7 +46,7 @@ enum DGUSLCD_Screens : uint8_t {
   DGUSLCD_SCREEN_KILL                = 250, ///< Kill Screen. Must always be 250 (to be able to display "Error wrong LCD Version")
   DGUSLCD_SCREEN_WAITING             = 251,
   DGUSLCD_SCREEN_POPUP               = 252, ///< special target, popup screen will also return this code to say "return to previous screen"
-  DGUSLDC_SCREEN_UNUSED              = 255
+  DGUSLCD_SCREEN_UNUSED              = 255
 };
 
 // Display Memory layout used (T5UID)