PA assembly code.
* binutils-all/nm.exp: Enable these tests on the PA.
* binutils-all/objcopy.exp: Enable these tests on the PA. Expect
simple copy to fail.
* binutils-all/objdump.exp: Enable these tests on the PA. Handle
"CODE" as a section name.
* binutils-all/size.exp: Enable these tests on the PA.
* lib/utils-lib.exp (default_binutils_assemble): For "hppa*-*-*",
run the assembly through a sed script before passing it to the
assembler.