os/tools: modify an unclear error sentence in mkconfigvars.sh
The mkconfigvars.sh script should be executed at os directory or
os/tools directory. Actually os directory is not a "TOP-LEVEL" directory.
Let's guide it "os directory" instead of "TOP-LEVEL".
@@ -105,7 +105,7 @@ if [ -x ./${MYNAME} ] ; then
fi
if [ ! -x tools/${MYNAME} ] ; then
- echo "ERROR: This file must be executed from the top-level TinyAra directory: $PWD"
+ echo "ERROR: This file must be executed from the os directory"
exit 1
fi
