Change current label to reflect the terminology used in hwmon intf

Change-Id: I5ac1a7a8647968002ad81b600293ded019977ddc
Signed-off-by: Jaghathiswari Rankappagounder Natarajan <jaghu@google.com>
diff --git a/hwmon.hpp b/hwmon.hpp
index cc24266..a64d564 100644
--- a/hwmon.hpp
+++ b/hwmon.hpp
@@ -27,7 +27,7 @@
 static constexpr auto cfan = "fan";
 static constexpr auto ctemp = "temp";
 static constexpr auto cvolt = "in";
-static constexpr auto ccurr = "current";
+static constexpr auto ccurr = "curr";
 static constexpr auto cenergy = "energy";
 static constexpr auto cpower = "power";
 static constexpr auto cpwm = "pwm";