If we chdir(), do the chdir back to the original directory in a finally
block so they always run.
(From OE-Core rev: 1680d1766445b21e35c6b874c4767b385862017f)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit cdc40292818683b6df1c814498c7589450a163fa)
Signed-off-by: Steve Sakoman <steve@sakoman.com>