Restructured EventWriter code to make it more readable:
- got rid of init_file method as it's called only once
- renamed exception variable e -> err
- renamed event variable e -> evt
- simplified main 'if' structure of send method
(Bitbake rev: 31977e7bb98f676197c6cee66f6ab4c12d4dcbde)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>