ASoC: allow drivers to compile both static and dynamic

Based on where the code is synced the driver should allow
both static and dynamic linked compilation.
Also remove __exit for modules loaded from another common
init/exit functions.

Change-Id: Ib58f152002aba3af4446f9bbd9b82c279212bd0a
Signed-off-by: Asish Bhattacharya <asishb@codeaurora.org>
diff --git a/dsp/q6core.c b/dsp/q6core.c
index b807862..5e09faa 100644
--- a/dsp/q6core.c
+++ b/dsp/q6core.c
@@ -1105,7 +1105,7 @@
 	return 0;
 }
 
-void __exit core_exit(void)
+void core_exit(void)
 {
 	mutex_destroy(&q6core_lcl.cmd_lock);
 	mutex_destroy(&q6core_lcl.ver_lock);