ASoC: Intel: avs: Update AVS_FW_INIT_TIMEOUT_US declaration

To reduce the number of places to update if timeouts would have to
change, modify the constant declaration.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220707124153.1858249-13-cezary.rojewski@intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/avs/loader.c

@@ -27,8 +27,8 @@
 #define APL_ROM_INIT_RETRIES		3
 
 #define AVS_FW_INIT_POLLING_US		500
-#define AVS_FW_INIT_TIMEOUT_US		3000000
 #define AVS_FW_INIT_TIMEOUT_MS		3000
+#define AVS_FW_INIT_TIMEOUT_US		(AVS_FW_INIT_TIMEOUT_MS * 1000)
 
 #define AVS_CLDMA_START_DELAY_MS	100