Blackfin arch: trim the Blackfin arch MAINTAINERS list

S:	Maintained

BLACKFIN ARCHITECTURE

P:	Aubrey Li

M:	aubrey.li@analog.com

P:	Bernd Schmidt

M:	bernd.schmidt@analog.com

P:	Bryan Wu

M:	bryan.wu@analog.com

P:	Grace Pan

M:	grace.pan@analog.com

P:	Marc Hoffman

M:	marc.hoffman@analog.com

P:	Michael Hennerich

M:	michael.hennerich@analog.com

P:	Mike Frysinger

M:	michael.frysinger@analog.com

P:	Jerry Zeng

M:	jerry.zeng@analog.com

P:	Jie Zhang

M:	jie.zhang@analog.com

P:	Robin Getz

M:	robin.getz@analog.com

P:	Roy Huang

M:	roy.huang@analog.com

P:	Sonic Zhang

M:	sonic.zhang@analog.com

P:	Vivi Li

M:	vivi.li@analog.com

P:	Yi Li

M:	yi.li@analog.com

L:	uclinux-dist-devel@blackfin.uclinux.org (subscribers-only)

W:	http://blackfin.uclinux.org

S:	Supported