samples: . accepts previous comment as-is
When updating a sample configuration with a comment, a dot '.'
in the new comment keeps the previous comment.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
1 reporter_name="Remy Bohmer"
2 reporter_url="linux@bohmer.net"
3 reporter_comment="Example for building a toolchain for m68000 bare metal targets"