ASoC: hide bind/unbind in sysfs

Exposure of driver bind/unbind to userspace via sysfs may
lead to unexpected behavior.
Hide bind and unbind by driver attribute.

Change-Id: I20d6ee653bcc16af15d6368664aaf240c6645cd0
Signed-off-by: Xiaojun Sang <xsang@codeaurora.org>

asoc/codecs/wcd934x/wcd934x.c

@@ -11471,6 +11471,7 @@ static struct platform_driver tavil_codec_driver = {
 #ifdef CONFIG_PM
 		.pm = &tavil_pm_ops,
 #endif
+		.suppress_bind_attrs = true,
 	},
 };