K 10
svn:author
V 4
manu
K 8
svn:date
V 27
2019-11-06T14:55:24.535850Z
K 7
svn:log
V 438
regulator: Add regulator_check_voltage function

This function will call the regnode_check_voltage method for a given regulator
and check if the desired voltage in reachable by it.
Also adds a default method that check the std_param and which should be enough
for most regulators and add it as the method for axp* rk805 and fixed regulators.

Reviewed by:	mmel
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D22260

END