ASoC: rt5645: fix build warning

We were getting build warning about "Section mismatch".
dmi_platform_intel_broadwell is being referenced from the probe function
rt5645_i2c_probe(), but dmi_platform_intel_broadwell was marked with
__initdata.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5645.c

@@ -3241,7 +3241,7 @@ static int buddy_quirk_cb(const struct dmi_system_id *id)
 	return 1;
 }
 
-static struct dmi_system_id dmi_platform_intel_broadwell[] __initdata = {
+static struct dmi_system_id dmi_platform_intel_broadwell[] = {
 	{
 		.ident = "Chrome Buddy",
 		.callback = buddy_quirk_cb,