phosphor-hwmon: move dbus configs

Static dbus configs should not be in /etc but in /usr/share, per the
`dbus-daemon` man pages.  Switch the install location of the generated
dbus configs.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ib8de2bd743fc4dc9c010fc36453a2c01b9e91663
diff --git a/meta-phosphor/recipes-phosphor/sensors/phosphor-hwmon_git.bb b/meta-phosphor/recipes-phosphor/sensors/phosphor-hwmon_git.bb
index 68338c6..fd2e49a 100644
--- a/meta-phosphor/recipes-phosphor/sensors/phosphor-hwmon_git.bb
+++ b/meta-phosphor/recipes-phosphor/sensors/phosphor-hwmon_git.bb
@@ -55,7 +55,7 @@
 # 2. For each hwmon the script generates busconfig ACLs.
 pkg_postinst:${PN}() {
     hwmon_dir="$D/etc/default/obmc/hwmon"
-    dbus_dir="$D/etc/dbus-1/system.d"
+    dbus_dir="$D/${datadir}/dbus-1/system.d"
 
     if [ -n "$D" -a -d "${hwmon_dir}" ]; then
         # Remove existing links and replace with actual copy of the file to prevent