update miss_hit camel case regex

- can now have checkCFG.m and not only checkCfg.m

Author: Remi-Gau

miss_hit.cfg

@@ -1,3 +1,3 @@
 line_length: 100
-regex_function_name: "[a-z]+(([A-Z]|[0-9]){1}[a-z]+)*"
+regex_function_name: "[a-z]+(([A-Z]){1}[A-Za-z]+)*"
 suppress_rule: "copyright_notice"