MAINTAINERS, .mailmap: Update Finn Thain's email address

Signed-off-by: Finn Thain <fthain@linux-m68k.org>
Link: https://lore.kernel.org/r/fc397a7074d627e22974ef8927910ad08744db5c.1621988847.git.fthain@linux-m68k.org
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2 files changed