powerpc/eeh: Update MAINTAINERS
powerpc/eeh: Update MAINTAINERS

Update MAINTAINERS to reflect recent changes.

Signed-off-by: Gavin Shan <4d6e32db2683aba4a3f3669c68ac02b37d1b91cd@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs