PCI: designware: Remove open-coded bitmap operations
PCI: designware: Remove open-coded bitmap operations

Replace them by using the standard kernel bitmap ops.  No functional
change, but makes the code a lot cleaner.

Signed-off-by: Lucas Stach <48c9e973d8f86eb0cdae200124c5925db7587c4e@pengutronix.de>
Signed-off-by: Bjorn Helgaas <f10ec01be0c6b54271af5c550cd257810bdf3268@google.com>
Reviewed-by: Pratyush Anand <312638e7d640785762ded1305e88fac68d55a9ab@st.com>
Acked-by: Jingoo Han <fc379137a64feb86ce38ec5811a14280acc1ccfc@samsung.com>
KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs