regulator: Fix Kconfig indentation

Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
	$ sed -e 's/^        /\t/' -i */Kconfig

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: krzk

drivers/regulator/Kconfig

@@ -841,10 +841,10 @@ config REGULATOR_SKY81452
 	  will be called sky81452-regulator.
 
 config REGULATOR_SLG51000
-        tristate "Dialog Semiconductor SLG51000 regulators"
-        depends on I2C
-        select REGMAP_I2C
-        help
+	tristate "Dialog Semiconductor SLG51000 regulators"
+	depends on I2C
+	select REGMAP_I2C
+	help
 	  Say y here to support for the Dialog Semiconductor SLG51000.
 	  The SLG51000 is seven compact and customizable low dropout
 	  regulators.