RFID: Fix various EM-Marin typos (#635)

applications/lfrfid/helpers/decoder-emmarin.h

@@ -0,0 +1,21 @@
+#pragma once
+#include <stdint.h>
+#include <atomic>
+#include "manchester-decoder.h"
+#include "protocols/protocol-emmarin.h"
+class DecoderEMMarin {
+public:
+    bool read(uint8_t* data, uint8_t data_size);
+    void process_front(bool polarity, uint32_t time);
+
+    DecoderEMMarin();
+
+private:
+    void reset_state();
+
+    uint64_t readed_data = 0;
+    std::atomic<bool> ready;
+
+    ManchesterState manchester_saved_state;
+    ProtocolEMMarin em_marin;
+};