fix: define NFC-A destructors out of line

src/nfc/layer/a/emulation_layer_a.cpp

@@ -28,6 +28,8 @@ constexpr uint8_t dummy_signature[32] = {};
 namespace m5 {
 namespace nfc {
 
+EmulationLayerA::~EmulationLayerA() = default;
+
 bool EmulationLayerA::begin(const m5::nfc::a::PICC& picc, uint8_t* ptr, const uint32_t size)
 {
     if (_state != State::None) {

src/nfc/layer/a/emulation_layer_a.hpp

@@ -47,6 +47,7 @@ class EmulationLayerA {
     explicit EmulationLayerA(m5::unit::UnitST25R3916& u);
     //! @brief Construct with CapST25R3916 (SPI)
     explicit EmulationLayerA(m5::unit::CapST25R3916& u);
+    ~EmulationLayerA();
 
     //! @brief Gets the current emulation state
     inline State state() const

src/nfc/layer/a/nfc_layer_a.cpp

@@ -175,6 +175,8 @@ using desfire::required_read_key_no_from_access_rights;
 namespace m5 {
 namespace nfc {
 
+NFCLayerA::~NFCLayerA() = default;
+
 bool NFCLayerA::transceive(uint8_t* rx, uint16_t& rx_len, const uint8_t* tx, const uint16_t tx_len,
                            const uint32_t timeout_ms)
 {

src/nfc/layer/a/nfc_layer_a.hpp

@@ -47,6 +47,7 @@ class NFCLayerA : public m5::nfc::NFCLayerInterface {
     explicit NFCLayerA(m5::unit::UnitWS1850S& u);  // The implementation of this function is located in M5Unit-RFID
     explicit NFCLayerA(m5::unit::UnitST25R3916& u);
     explicit NFCLayerA(m5::unit::CapST25R3916& u);
+    ~NFCLayerA();
 
     ///@name override
     ///@{