Add support for setting CHRGVBUS to workaround a hardware bug on efika mx/sb
boards.
See http://lists.infradead.org/pipermail/linux-arm-kernel/2011-January/037341.htmlSigned-off-by: NArnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>