phosphor-settings-manager.inc: bump version

Change-Id: I542e7ffdfc82aee6547df3cb17022d428071f468
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-phosphor/common/recipes-phosphor/settings/phosphor-settings-manager.inc b/meta-phosphor/common/recipes-phosphor/settings/phosphor-settings-manager.inc
index 097b4bc..ed284c1 100644
--- a/meta-phosphor/common/recipes-phosphor/settings/phosphor-settings-manager.inc
+++ b/meta-phosphor/common/recipes-phosphor/settings/phosphor-settings-manager.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${S}/LICENSE;md5=fa818a259cbed7ce8bc2a22d35a464fc"
 SRC_URI += "git://github.com/openbmc/phosphor-settingsd"
-SRCREV = "9711211cb53df56fb5bdf84e3882672ac7ec8a50"
+SRCREV = "c15990a32063192e51c0c3ef5e65e149b2c44d70"