Merge pull request #3180 from clexpert/RCBugFix

Czech language specific changes

Marlin/Configuration.h

 // @section lcd
 
 // Define your display language below. Replace (en) with your language code and uncomment.
-// en, pl, fr, de, es, ru, bg, it, pt, pt-br, fi, an, nl, ca, eu, kana, kana_utf8, cn, test
+// en, pl, fr, de, es, ru, bg, it, pt, pt-br, fi, an, nl, ca, eu, kana, kana_utf8, cn, cz, test
 // See also language.h
 #define LANGUAGE_INCLUDE GENERATE_LANGUAGE_INCLUDE(en)
 

Marlin/language_cz.h

 #define MSG_AUTOSTART                       "Autostart"
 #define MSG_DISABLE_STEPPERS                "Uvolnit motory"
 #define MSG_AUTO_HOME                       "Domovska pozice"
-#define MSG_LEVEL_BED_HOMING                "Homing"
+#define MSG_LEVEL_BED_HOMING                "Mereni podlozky"
 #define MSG_SET_HOME_OFFSETS                "Nastavit ofsety"
 #define MSG_SET_ORIGIN                      "Nastavit pocatek"
 #define MSG_PREHEAT_PLA                     "Zahrat PLA"