MAINTAINERS: Revise lpfc maintainers for Avago Technologies ownership of Emulex

The old email addresses will go away very soon. Revising with new addresses.

Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>