meta-palmetto: Fix occ hwmon

1. Add openpower-occ-control into build to bind/unbind occ-hwmon driver;
2. Modify hwmon config to use the updated occ-hwmon device.

Change-Id: I5ad0f2b7b95b41ff216381e6689926201930d097
Signed-off-by: Lei YU <mine260309@gmail.com>
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-phosphor/sensors/phosphor-hwmon%.bbappend b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
index 745f697..e904dc0 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
@@ -1,6 +1,10 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
-NAMES = "i2c@1e78a000/i2c-bus@40/rtc@68 i2c@1e78a000/i2c-bus@c0/tmp423@4c i2c@1e78a000/i2c-bus@100/occ@50"
+NAMES = " \
+        i2c@1e78a000/i2c-bus@40/rtc@68 \
+        i2c@1e78a000/i2c-bus@c0/tmp423@4c \
+        i2c@1e78a000/i2c-bus@100/occ-hwmon@50 \
+        "
 ITEMSFMT = "ahb/apb/{0}.conf"
 
 ITEMS = "${@compose_list(d, 'ITEMSFMT', 'NAMES')}"