Fix:EndStops doesn't working with BOARD_RAMPS_14_EFB on Micromake C1 (#8041)

[1.1.x] Fix EndStops don't work with BOARD_RAMPS_14_EFB on Micromake C1

Marlin/pins_MAKEBOARD_MINI.h

@@ -0,0 +1,39 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "pins_RAMPS.h"
+
+#undef BOARD_NAME
+#define BOARD_NAME "MAKEBOARD_MINI"
+
+//
+// Only 3 Limit Switch plugs on Micromake C1
+//
+#undef X_MIN_PIN
+#undef Y_MIN_PIN
+#undef Z_MIN_PIN
+#undef X_MAX_PIN
+#undef Y_MAX_PIN
+#undef Z_MAX_PIN
+#define X_STOP_PIN          2
+#define Y_STOP_PIN         15
+#define Z_STOP_PIN         19