sensors:rainier: Add max31785 hwmon config

Add the max31785 fan controller device to hwmon.

Change-Id: Ie940e6d3c3a2d0f56581c6fdbad621196a8f63e4
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend b/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
index 3eaa70e..5742840 100644
--- a/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
+++ b/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
@@ -73,6 +73,11 @@
                bus@1e78a000/i2c-bus@300/ir35221@71 \
                bus@1e78a000/i2c-bus@500/tmp275@4a \
                "
+
+CHIPS_rainier = " \
+               bus@1e78a000/i2c-bus@400/max31785@52 \
+               "
+
 ITEMSFMT = "ahb/apb/{0}.conf"
 ITEMS = "${@compose_list(d, 'ITEMSFMT', 'CHIPS')}"
 ITEMS_append_mihawk += " iio-hwmon-vdd0.conf"
@@ -104,6 +109,7 @@
 SYSTEMD_ENVIRONMENT_FILE_${PN}_append_ibm-ac-server = " ${@compose_list(d, 'ENVS', 'OCCITEMS')}"
 SYSTEMD_ENVIRONMENT_FILE_${PN}_append_mihawk = " ${@compose_list(d, 'ENVS', 'ITEMS')}"
 SYSTEMD_ENVIRONMENT_FILE_${PN}_append_mihawk = " ${@compose_list(d, 'ENVS', 'OCCITEMS')}"
+SYSTEMD_ENVIRONMENT_FILE_${PN}_append_rainier = " ${@compose_list(d, 'ENVS', 'ITEMS')}"
 
 # Enable and install the max31785-msl package
 PACKAGECONFIG_append_ibm-ac-server = " max31785-msl"