linear advance using allowed in config file, version changed

Firmware/Configuration.h

@@ -5,7 +5,7 @@
 #include "Configuration_prusa.h"
 
 // Firmware version
-#define FW_version "3.0.12-6"
+#define FW_version "3.0.12-7"
 
 #define FW_PRUSA3D_MAGIC "PRUSA3DFW"
 #define FW_PRUSA3D_MAGIC_LEN 10

Firmware/Configuration_adv.h

@@ -323,7 +323,7 @@
  * K=0 means advance disabled.
  * See Marlin documentation for calibration instructions.
  */
-//#define LIN_ADVANCE
+#define LIN_ADVANCE
 
 #ifdef LIN_ADVANCE
   #define LIN_ADVANCE_K 0 //Try around 45 for PLA, around 25 for ABS.