mailmap: Federico Gimenez name normalization

Signed-off-by: M Ranga Swami Reddy <swamireddy@gmail.com>
mailmap: Derrick Schneider affiliation

Signed-off-by: M Ranga Swami Reddy <swamireddy@gmail.com>
mailmap: BJ Lougee affiliation

Signed-off-by: M Ranga Swami Reddy <swamireddy@gmail.com>
mailmap: Xan Peng affiliation

Signed-off-by: M Ranga Swami Reddy <swamireddy@gmail.com>
mailmap: Dan Mick name normalization

Signed-off-by: M Ranga Swami Reddy <swamireddy@gmail.com>