ad525x_dpot: add support for ADN2860 and AD528x pots

New parts supported:
	AD5280, AD5282, ADN2860

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --cc drivers/misc/Kconfig
Simple merge

diff --cc drivers/misc/ad525x_dpot-i2c.c
Simple merge

diff --cc drivers/misc/ad525x_dpot.c
Simple merge

diff --cc drivers/misc/ad525x_dpot.h
Simple merge