meta-zaius: phosphor-hwmon: add iio-hwmon confs

The zaius device tree specifies two groups of iio-hwmon adc sensors split
into a primary set and a secondary set.  This adds the phosphor-hwmon
configuration for each.

Change-Id: I29b8b4a27af331be0e1291ed2d8cc4e1ec4130e0
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/meta-zaius/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/iio-hwmon-battery.conf b/meta-zaius/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/iio-hwmon-battery.conf
new file mode 100644
index 0000000..172fb20
--- /dev/null
+++ b/meta-zaius/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/iio-hwmon-battery.conf
@@ -0,0 +1,7 @@
+LABEL_in1=vbat
+GAIN_in1=2.30
+# The battery read is controlled by P2
+GPIOCHIP_in1=0
+GPIO_in1=122
+# Sleep in microseconds (stored into a uint64_t)
+INTERVAL=86400000000