Various typoes fixed, all comments or output strings.
Typoes fixed: "enviroment", "editted", "spliting", "scheulder".
(From OE-Core rev: 17e981a857a51b0bec08c929e8539d36d83874b6)
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>