Move drivers from the lv_port_esp32 to here

lvgl_touch/tp_i2c.h

@@ -0,0 +1,36 @@
+/*
+* Copyright © 2020 Wolfgang Christl
+
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this 
+* software and associated documentation files (the “Software”), to deal in the Software 
+* without restriction, including without limitation the rights to use, copy, modify, merge, 
+* publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons 
+* to whom the Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or 
+* substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
+* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
+* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
+* SOFTWARE.
+*/
+
+#ifndef __TS_H
+#define __TS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+esp_err_t i2c_master_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __TS_H */