conf change: pid: all pid details are now camelCase

Convert all PID configuration details are now camelCase instead of snake
case.

Change-Id: Id132053f122dfcd8abaace17df91c99758eb2b0c
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/pid/ec/pid.cpp b/pid/ec/pid.cpp
index af70da7..7d8b403 100644
--- a/pid/ec/pid.cpp
+++ b/pid/ec/pid.cpp
@@ -74,7 +74,7 @@
 
     // slew rate
     // TODO(aarena) - Simplify logic as Andy suggested by creating dynamic
-    // out_lim_min/max that are affected by slew rate control and just clamping
+    // outLim_min/max that are affected by slew rate control and just clamping
     // to those instead of effectively clamping twice.
     if (pidinfoptr->initialized)
     {