[nrf fromtree] drivers: audio: dmic_nrfx: Update AUXPLL control with frequency macros

Frequencies being for AUXPLL were register assignments and
not actual frequencies.

Signed-off-by: David Jewsbury <[email protected]>
(cherry picked from commit eb60562)

Author: Hi-Im-David

drivers/audio/dmic_nrfx_pdm.c

@@ -24,11 +24,15 @@ LOG_MODULE_REGISTER(dmic_nrfx_pdm, CONFIG_AUDIO_DMIC_LOG_LEVEL);
 #define DMIC_NRFX_CLOCK_FACTOR 8192
 #define DMIC_NRFX_AUDIO_CLOCK_FREQ DT_PROP_OR(NODE_AUDIOPLL, frequency, 0)
 #elif DT_NODE_HAS_STATUS_OKAY(NODE_AUDIO_AUXPLL)
-#define DMIC_NRFX_AUDIO_CLOCK_FREQ DT_PROP(NODE_AUDIO_AUXPLL, nordic_frequency)
-BUILD_ASSERT((DMIC_NRFX_AUDIO_CLOCK_FREQ == NRF_AUXPLL_FREQ_DIV_AUDIO_48K) ||
-	     (DMIC_NRFX_AUDIO_CLOCK_FREQ == NRF_AUXPLL_FREQ_DIV_AUDIO_44K1),
+#define AUXPLL_FREQUENCY_SETTING DT_PROP(NODE_AUDIO_AUXPLL, nordic_frequency)
+BUILD_ASSERT((AUXPLL_FREQUENCY_SETTING == NRF_AUXPLL_FREQ_DIV_AUDIO_48K) ||
+	     (AUXPLL_FREQUENCY_SETTING == NRF_AUXPLL_FREQ_DIV_AUDIO_44K1),
 	      "Unsupported Audio AUXPLL frequency selection for PDM");
+
+#define DMIC_NRFX_AUDIO_CLOCK_FREQ CLOCK_CONTROL_NRF_AUXPLL_GET_FREQ(NODE_AUDIO_AUXPLL)
+
 #define DMIC_NRFX_CLOCK_FREQ MHZ(32)
+
 #else
 #define DMIC_NRFX_CLOCK_FREQ MHZ(32)
 #define DMIC_NRFX_CLOCK_FACTOR 4096