Add audio playback ability to WAV Viewer app (#1829)

firmware/application/baseband_api.cpp

@@ -211,6 +211,7 @@ void set_audiotx_config(
     const float deviation_hz,
     const float audio_gain,
     uint8_t audio_shift_bits_s16,
+    uint8_t bits_per_sample,
     const uint32_t tone_key_delta,
     const bool am_enabled,
     const bool dsb_enabled,
@@ -221,6 +222,7 @@ void set_audiotx_config(
         deviation_hz,
         audio_gain,
         audio_shift_bits_s16,
+        bits_per_sample,
         tone_key_delta,
         (float)persistent_memory::tone_mix() / 100.0f,
         am_enabled,