Add VIA code to ergoTravel (#10493)

* Add VIA code to ergoTravel, VendorId changed to allow via

* Update LTO_ENABLE for via

* Accept comments from the QMK PR discussion

* Restore original rules.mk from qmk master, update via rules to remove redundant bootmagic

* rules update

* find and use unique VID without qmk. Used 0x4A50, did not find clash

* Removed unused via layer

* Reset hard to last clean commit, redo changes for Hex Translation and Enum

keyboards/ergotravel/keymaps/via/config.h

@@ -0,0 +1,38 @@
+/*
+Copyright 2017 Pierre Constantineau <jpconstantineau@gmail.com>
+
+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 2 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/>.
+*/
+
+#pragma once
+
+/* Use I2C or Serial, not both */
+
+#define USE_SERIAL
+// #define USE_I2C
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+// #undef RGBLED_NUM
+// #define RGBLIGHT_ANIMATIONS
+// #define RGBLED_NUM 14
+// #define RGBLIGHT_HUE_STEP 8
+// #define RGBLIGHT_SAT_STEP 8
+// #define RGBLIGHT_VAL_STEP 8
+
+