defines for max bed and hotend temp added

Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h

@@ -325,6 +325,9 @@ THERMISTORS SETTINGS
 
 #define STACK_GUARD_TEST_VALUE 0xA2A2
 
+#define MAX_BED_TEMP_CALIBRATION 50
+#define MAX_HOTEND_TEMP_CALIBRATION 50
+
 #define MAX_E_STEPS_PER_UNIT 250
 #define MIN_E_STEPS_PER_UNIT 100