ASoC: SOF: Intel: hda-stream: fix the CONFIG_ prefix missing

We are missing the 'CONFIG_' prefix when using the kernel configure item
SND_SOC_SOF_HDA_ALWAYS_ENABLE_DMI_L1, here correct them.

Fixes: 43b2ab90

 ('ASoC: SOF: Intel: hda: Disable DMI L1 entry during capture')
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191025221538.6668-1-pierre-louis.bossart@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>