drivers: spi: nrfx_spi: implement deinit

Implement deinit op in spi_nrfx_spi.c

Signed-off-by: Bjarki Arge Andreasen <bjarki.andreasen@nordicsemi.no>

Author: bjarki-andreasen

drivers/spi/spi_nrfx_spi.c

@@ -414,6 +414,11 @@ static int spi_nrfx_init(const struct device *dev)
 	return 0;
 }
 
+static int spi_nrfx_deinit(const struct device *dev)
+{
+	return 0;
+}
+
 /*
  * Current factors requiring use of DT_NODELABEL:
  *
@@ -460,8 +465,9 @@ static int spi_nrfx_init(const struct device *dev)
 		     !(DT_GPIO_FLAGS(SPI(idx), wake_gpios) & GPIO_ACTIVE_LOW), \
 		     "WAKE line must be configured as active high");	       \
 	PM_DEVICE_DT_DEFINE(SPI(idx), spi_nrfx_pm_action);		       \
-	SPI_DEVICE_DT_DEFINE(SPI(idx),					       \
+	SPI_DEVICE_DT_DEINIT_DEFINE(SPI(idx),				       \
 		      spi_nrfx_init,					       \
+		      spi_nrfx_deinit,					       \
 		      PM_DEVICE_DT_GET(SPI(idx)),			       \
 		      &spi_##idx##_data,				       \
 		      &spi_##idx##z_config,				       \