Replace them by using the standard kernel bitmap ops.  No functional
change, but makes the code a lot cleaner.
Signed-off-by: NLucas Stach <l.stach@pengutronix.de>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: NPratyush Anand <pratyush.anand@st.com>
Acked-by: NJingoo Han <jg1.han@samsung.com>