[ARM] 3704/1: format IOP Kconfig with tabs, create more consistency

Patch from Martin Michlmayr

Some cosmetic changes to increase the consistency of the IOP Kconfig file.  Change some space into tabs and add a dot at the end of a help description.

Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>