ASoC: Intel: Skylake: Fix ibs/obs calc for non-integral sampling rates

FW expects sampling rate rounded up to next higher integer value
when calculating ibs/obs. For example for 44.1k, it should be
rounded up to 45 to calculate ibs/obs.

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>