GFP_ATOMIC is not required on any Intel drivers, use GFP_KERNEL
instead. A first cleanup was merged in April but missed a number
occurrences and new ones were added by copy/paste inertia.

While we are at it, make checkpatch happy with a sizeof(*msg)
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>