phosphor-power: Add phosphor-regulators-config service

Add the phosphor-regulators config service that performs a method call
to phosphor-regulators that would then configure the regulators. This
service should be called immediately at poweron before the power
sequencing begins.

Tested:
    Method call occurs before pre-poweron target is set
    Power sequencing does not start before this method completes

(From meta-phosphor rev: 3e79686a2476ed1c77b811262dcf1a370c2f6571)

Change-Id: Id30bb149c94281183fa33c761abe5a25bdfdedd8
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-phosphor/recipes-phosphor/power/phosphor-power.inc b/meta-phosphor/recipes-phosphor/power/phosphor-power.inc
index f42baa9..1a98ac9 100644
--- a/meta-phosphor/recipes-phosphor/power/phosphor-power.inc
+++ b/meta-phosphor/recipes-phosphor/power/phosphor-power.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${S}/LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI += "git://github.com/openbmc/phosphor-power"
-SRCREV = "32707088bf4eae60d0e16b4485768601a56d912c"
+SRCREV = "ec16128c008de889c1290241c56847b36ffdec49"