Adding initial code on goggles side

Author: Jesus Lopez Garcia

jni/msp/msp_displayport.c

@@ -1,5 +1,6 @@
 #include "msp.h"
 #include "msp_displayport.h"
+#include "msp_vtx.h"
 
 static void process_draw_string(displayport_vtable_t *display_driver, uint8_t *payload) {
     if(!display_driver || !display_driver->draw_character) return;
@@ -52,6 +53,11 @@ int displayport_process_message(displayport_vtable_t *display_driver, msp_msg_t
     if (msg->direction != MSP_INBOUND) {
         return 1;
     }
+    if(msg->cmd == MSP_CMD_VTX_CONFIG) {
+        //INFO: HERE IF VTX_CONFIG
+        process_vtx_message(msg);
+        return 1;
+    }
     if (msg->cmd != MSP_CMD_DISPLAYPORT) {
         return 1;
     }

jni/msp/msp_vtx.c

@@ -0,0 +1,5 @@
+#include "msp_vtx.h"
+
+int process_vtx_message(msp_msg_t *msg) {
+    //INFO: Process data and call channel change
+}

jni/msp/msp_vtx.h

@@ -0,0 +1,3 @@
+#include "msp.h"
+
+int process_vtx_message(msp_msg_t *msg);