staging: hi6421-spmi-pmic: change identation of a table

The struct regmap_config is idented with two tabs.
Just one tab is enough.

Suggested-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/a4d718b0479e3867bedc93861e4b2c9c1321aabd.1624606660.git.mchehab+huawei@kernel.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>