Fix: proper deinit of gpio and spi bus in NRF24 driver

lib/drivers/nrf24.c

@@ -12,6 +12,13 @@ void nrf24_init() {
     furi_hal_gpio_write(nrf24_CE_PIN, false);
 }
 
+void nrf24_deinit() {
+    furi_hal_spi_release(nrf24_HANDLE);
+    furi_hal_spi_bus_handle_deinit(nrf24_HANDLE);
+    furi_hal_gpio_write(nrf24_CE_PIN, false);
+    furi_hal_gpio_init(nrf24_CE_PIN, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
+}
+
 void nrf24_spi_trx(
     FuriHalSpiBusHandle* handle,
     uint8_t* tx,

lib/drivers/nrf24.h

@@ -116,6 +116,11 @@ uint8_t nrf24_set_tx_mode(FuriHalSpiBusHandle* handle);
  */
 void nrf24_init();
 
+/** Must call this when we end using nrf24 device
+ * 
+ */
+void nrf24_deinit();
+
 /** Send flush rx command
  *
  * @param      handle  - pointer to FuriHalSpiHandle