PSUSensor: add ltc2945 support

Add device ltc2945 reading support.

Change-Id: Ib87ad89f78c0aae8539fbc98dc3dfc978705150d
Signed-off-by: Yi-Shum <EasonChen1@quantatw.com>
diff --git a/src/PSUSensorMain.cpp b/src/PSUSensorMain.cpp
index 7a5e24c..0550138 100644
--- a/src/PSUSensorMain.cpp
+++ b/src/PSUSensorMain.cpp
@@ -72,6 +72,7 @@
     {"ISL69243", I2CDeviceType{"isl69243", true}},
     {"ISL69260", I2CDeviceType{"isl69260", true}},
     {"LM25066", I2CDeviceType{"lm25066", true}},
+    {"LTC2945", I2CDeviceType{"ltc2945", true}},
     {"MAX5970", I2CDeviceType{"max5970", true}},
     {"MAX16601", I2CDeviceType{"max16601", true}},
     {"MAX20710", I2CDeviceType{"max20710", true}},