missing defines in variant files

Firmware/variants/1_75mm_MK2-RAMBo10a-E3Dv6full.h

@@ -432,4 +432,6 @@ THERMISTORS SETTINGS
 //#define SUPPORT_VERBOSITY
 #endif
 
+#define MMU_IDLER_SENSOR_ATTEMPTS_NR 21 //max. number of attempts to load filament if first load failed; value for max bowden length and case when loading fails right at the beginning
+
 #endif //__CONFIGURATION_PRUSA_H

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

@@ -432,4 +432,6 @@ THERMISTORS SETTINGS
 //#define SUPPORT_VERBOSITY
 #endif
 
+#define MMU_IDLER_SENSOR_ATTEMPTS_NR 21 //max. number of attempts to load filament if first load failed; value for max bowden length and case when loading fails right at the beginning
+
 #endif //__CONFIGURATION_PRUSA_H

Firmware/variants/1_75mm_MK25-RAMBo10a-E3Dv6full.h

@@ -487,4 +487,6 @@
 #define MMU_REQUIRED_FW_BUILDNR 132
 //#define MMU_DEBUG //print communication between MMU2 and printer on serial
 
+#define MMU_IDLER_SENSOR_ATTEMPTS_NR 21 //max. number of attempts to load filament if first load failed; value for max bowden length and case when loading fails right at the beginning
+
 #endif //__CONFIGURATION_PRUSA_H

Firmware/variants/1_75mm_MK25-RAMBo13a-E3Dv6full.h

@@ -488,4 +488,6 @@
 #define MMU_REQUIRED_FW_BUILDNR 132
 //#define MMU_DEBUG //print communication between MMU2 and printer on serial
 
+#define MMU_IDLER_SENSOR_ATTEMPTS_NR 21 //max. number of attempts to load filament if first load failed; value for max bowden length and case when loading fails right at the beginning
+
 #endif //__CONFIGURATION_PRUSA_H