ASoC: AMD: Fix incorrect extern

When using bare externs outside include files that types should
at least match. This fixes a type confusion between bool
and int.

Cc: broonie@kernel.org
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/acp-da7219-max98357a.c

@@ -47,7 +47,7 @@
 
 static struct snd_soc_jack cz_jack;
 static struct clk *da7219_dai_clk;
-extern int bt_uart_enable;
+extern bool bt_uart_enable;
 
 static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
 {