regulator: qcom_spmi: Add pm8226 regulators

The PM8226 PMIC is very often seen on
MSM8x26 boards.

Suggested-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Signed-off-by: Dominik Kobinski <dominikkobinski314@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211123181119.2897-1-dominikkobinski314@gmail.com


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