[Merge chakra-core/ChakraCore@f90129c6d0] [MERGE #3758 @jackhorton] M…

…ake -v actually enable verbose makefiles

Merge pull request #3758 from jackhorton:xplat-verbose

-v wasn't allowing me to see the commands being run, and switching

deps/chakrashim/core/build.sh

@@ -153,7 +153,7 @@ while [[ $# -gt 0 ]]; do
         ;;
 
     -v | --verbose)
-        _VERBOSE="V=1"
+        _VERBOSE="VERBOSE=1"
         ;;
 
     -d | --debug)