* emulparams/elf32mipsb.sh (DATA_ADDR): Define.
(OTHER_READONLY_SECTIONS): Define for .reginfo.
(EXECUTABLE_SYMBOLS): Define for _DYNAMIC_LINK.
* scripttempl/elf.sc: Use EXECUTABLE_SYMBOLS when not relocating.
Move OTHER_READONLY_SECTIONS after all the other readonly
sections. Don't use DATA_ADDR twice.