meta-bletchley: phosphor-gpio-monitor: enable gpio presence feature

Ebable phosphor-gpio-monitor-presence feature, create service file and
environment file for each presence-sledX pin.

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Change-Id: I8ab59a635e22404457c42be152f4a033a173d930
diff --git a/meta-facebook/meta-bletchley/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/presence-sled5.conf b/meta-facebook/meta-bletchley/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/presence-sled5.conf
new file mode 100644
index 0000000..b29352c
--- /dev/null
+++ b/meta-facebook/meta-bletchley/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/presence-sled5.conf
@@ -0,0 +1,4 @@
+INVENTORY=/system/chassis/presence/presence_sled5
+DEVPATH=/dev/input/event0
+KEY=62
+NAME=presence_sled5
\ No newline at end of file