for loop directory wildcard includes the directory name. No need to
specify the dir name when removing file.
Signed-off-by: Ayman Bagabas <ayman.bagabas@gmail.com>
This patch puts the environment variable PREFIX in more use. If
specified, mull-wizard Makefile substitute all instances of prefix with
the provided environment variable.
Signed-off-by: Ayman Bagabas <ayman.bagabas@gmail.com>