ASoC: tegra: Remove the isomgr_bw APIs export

Commit 4a91fe4 ("ASoC: tegra: Add interconnect support") exported
tegra_isomgr_adma_setbw, tegra_isomgr_adma_register and
tegra_isomgr_adma_register APIs, but there are no users of these that
required these symbols to be exported.
Hence, remove the exporting of the symbols.

Fixes: 4a91fe4 ("ASoC: tegra: Add interconnect support")
Signed-off-by: Sheetal <sheetal@nvidia.com>
Link: https://patch.msgid.link/20250213111216.1238344-1-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Sheetal

sound/soc/tegra/tegra_isomgr_bw.c

@@ -75,7 +75,6 @@ int tegra_isomgr_adma_setbw(struct snd_pcm_substream *substream,
 	return icc_set_bw(adma_isomgr->icc_path_handle,
 			  adma_isomgr->current_bandwidth, adma_isomgr->max_bw);
 }
-EXPORT_SYMBOL(tegra_isomgr_adma_setbw);
 
 int tegra_isomgr_adma_register(struct device *dev)
 {
@@ -114,7 +113,6 @@ int tegra_isomgr_adma_register(struct device *dev)
 
 	return 0;
 }
-EXPORT_SYMBOL(tegra_isomgr_adma_register);
 
 void tegra_isomgr_adma_unregister(struct device *dev)
 {
@@ -125,7 +123,6 @@ void tegra_isomgr_adma_unregister(struct device *dev)
 
 	mutex_destroy(&admaif->adma_isomgr->mutex);
 }
-EXPORT_SYMBOL(tegra_isomgr_adma_unregister);
 
 MODULE_AUTHOR("Mohan Kumar <mkumard@nvidia.com>");
 MODULE_DESCRIPTION("Tegra ADMA Bandwidth Request driver");