static-checks-coding-style-line-endings.sh: Use positive test name

We're checking that line endings are valid, not that they're not valid.
Such are test name more naturally fits with the rest test names.

Related to https://linaro.atlassian.net/browse/TFC-636

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Id3478111f81c947ca9560ffcf4b5e61e1ce2166a
1 file changed