squash! arch/*py: proper PEP8 spacing

sed -i -e 's@-march = @-march@g' -e 's@-mabi = @'mabi=@' -e 's@-mtune =
@-mtune=@g' =e 's@-float-abi = @-float-abi=@g' -e 's@-mcpu = @-mcpu=@g'
*py
this got broke somewhere
this also got broke somehwere
this also also got broke somewhere
arch/*py: split long lines

Per PEP8: "Limit all lines to a maximum of 79 characters."