mailmap: Kevin Cox affiliation

Reviewed-by: Kevin Cox <kevincox@kevincox.ca>
Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Accela Zhao affiliation

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Adam Crume affiliation

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Stephen Jahl affiliation

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: George Ryall affiliation

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Brian Rak affiliation

and name normalization

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Sebastien Ponce name normalization

Signed-off-by: Loic Dachary <loic@dachary.org>