BT updates and default config

output_bt.c

@@ -518,7 +518,7 @@ static int32_t bt_app_a2d_data_cb(uint8_t *data, int32_t len)
 
    	UNLOCK;
 
-   	frames_wanted = len * bytes_per_frame;
+   	frames_wanted = len / bytes_per_frame;
    	ret = len;
 
     	LOCK;

sdkconfig.default → sdkconfig.defaults

@@ -22,7 +22,6 @@ CONFIG_SPIRAM_MEMTEST=y
 CONFIG_SPIRAM_CACHE_WORKAROUND=y
 CONFIG_SPIRAM_BANKSWITCH_ENABLE=y
 CONFIG_SPIRAM_BANKSWITCH_RESERVE=8
-CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=16384
 CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=32768
 CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=2048
 CONFIG_PICO_PSRAM_CS_IO=10