MAINTAINERS: Update email-id of Rahul Bedarkar

I'm no longer with Imagination Technologies. I am still interested in
maintaining or reviewing DTS patches for Ci40 if any. Update email-id
to an active one.

Signed-off-by: Rahul Bedarkar <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15990/
Signed-off-by: Ralf Baechle <[email protected]>
1 file changed