ASoC: amd: acp: Adjust pdm gain value

Set pdm gain value by setting PDM_MISC_CTRL_MASK value.
To avoid low pdm gain value.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20250821054606.1279178-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Venkata-Prasad-Potturu

sound/soc/amd/acp/amd.h

@@ -130,7 +130,7 @@
 #define PDM_DMA_INTR_MASK       0x10000
 #define PDM_DEC_64              0x2
 #define PDM_CLK_FREQ_MASK       0x07
-#define PDM_MISC_CTRL_MASK      0x10
+#define PDM_MISC_CTRL_MASK      0x18
 #define PDM_ENABLE              0x01
 #define PDM_DISABLE             0x00
 #define DMA_EN_MASK             0x02