* scripttempl/elfxtensa.sc (NO_REL_RELOCS, NO_RELA_RELOCS) (NON_ALLOC_DYN): Import changes from elf.sc.
The files in this directory are linker script templates.
genscripts.sh sets some shell variables, then sources
EMULATION.sc, to generate EMULATION.{x,xr,xu,xn,xbn} -- the script
files for default, -r, -Ur, -n, -N.