Update maintainer records for two USB host controller drivers. I'm the
main point of contact for both EHCI and OHCI, although I don't have much
time for them any more. Roman hasn't submitted OHCI patches for years.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>