tree bd5d6ef6999a9a06a4ff7d830340f4606d37d13c
parent 2fe5186eaa22350dd2d57cacb682e6ba740f6c41
author Shawn McCarney <shawnmm@us.ibm.com> 1583536584 -0600
committer Shawn McCarney <shawnmm@us.ibm.com> 1583848760 +0000

regulators: Use std::optional in ActionEnvironment

Use the std::optional data type in the ActionEnvironment class to
represent an optional volts value setting.

Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>
Change-Id: Ib66f7586a49d78d8e0241fb8e7e4ecd881d1ac01