feat(f722): add usb mavlink transport

firmware/libs/kaptan-data-channel/Cargo.toml

@@ -10,10 +10,10 @@ workspace = true
 
 [dependencies]
 kaptan-err-reportable = { path = "../kaptan-err-reportable" }
-kaptan-dma = { path = "../kaptan-dma" }
 kaptan-mavlink = { path = "../kaptan-mavlink", default-features = false, features = [
   "sensor-telemetry",
 ] }
 kaptan-sensor = { path = "../kaptan-sensor" }
 kaptan-time = { path = "../kaptan-time" }
+kaptan-tx = { path = "../kaptan-tx" }
 mavlink-core = { version = "0.18", default-features = false }