gitignore: Ignore the swp files

Ignore the temporary .*.swp files.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Message-Id: <15496f8669ac2bb3b4b61a1a7c978947623cb7c3.1612346186.git.viresh.kumar@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
1 file changed