Add recipe file for phosphor-gpio-monitor

phosphor-gpio-monitor is a generic GPIO monitor application which
can be used for any purpose where a GPIO needs to be monitored for
certain state. Due to this need, it has been added to obmc package
group.

Change-Id: I8e11e8d5567d6f4c56479b335d1f6bd9b39401fd
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/common/recipes-phosphor/gpio/phosphor-gpio-monitor/phosphor-gpio-monitor@.service b/common/recipes-phosphor/gpio/phosphor-gpio-monitor/phosphor-gpio-monitor@.service
new file mode 100644
index 0000000..37d1279
--- /dev/null
+++ b/common/recipes-phosphor/gpio/phosphor-gpio-monitor/phosphor-gpio-monitor@.service
@@ -0,0 +1,8 @@
+[Unit]
+Description=Phosphor GPIO %I monitor
+
+[Service]
+Restart=no
+Type=oneshot
+EnvironmentFile={envfiledir}/obmc/gpio/%I
+ExecStart={sbindir}/phosphor-gpio-monitor --path=${{PATH}} --key=${{KEY}} --polarity=${{POLARITY}} --target=${{TARGET}}