Add Sinc Rev. 3 (#18846)

* Initial work on adding Sinc Rev. 3

* Add RGB Matrix support

* Add encoder map support

* Set I2C pins

* Update LED locations for right half

* Move USB definitions to info.json

* Update RGB modes

* Replace pin mappings for right half with correct ones

* Move config.h back to rev1/rev2 due to addition of rev3

* Convert initial Rev. 3 config work to be data-driven

* Convert RGB Matrix config to DD format

* More config cleanup

* Use full-duplex PIO

* Add MCU/bootloader settings for Rev. 2

* Change ISO Enter location since it shares location with Backslash

* Adjust build settings to reduce flash/EEPROM usage

1 files changed, 21 insertions, 0 deletions

diff --git a/keyboards/keebio/sinc/rev3/halconf.h b/keyboards/keebio/sinc/rev3/halconf.h
new file mode 100644
index 0000000000..a4c25c090a
--- /dev/null
+++ b/keyboards/keebio/sinc/rev3/halconf.h
@@ -0,0 +1,21 @@
+/* Copyright 2022 QMK
+ *
+ * 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
+
+#define HAL_USE_I2C TRUE
+
+#include_next "halconf.h"