Update gitignore to ignore all meta-* directories
meta-XYZ directories have been manually added in the past, instead
always ignore them unless they are explicitly added
(From OE-Core rev: 3c6e85c653ce176fd2cb5a570e63c8e5da5a4e48)
(From OE-Core rev: ad5f076bee5f43c035499aa0b873ccf683e4e79e)
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Matthew McClintock