ASoC: cs35l35: Add Boost Inductor Calculation

Add the Boost Inductor parameters based off the size of the inductor
on the HW setup

Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>