32-bit --enable-targets=all build breakage

[Alan Modra]

On a 32-bit host without --enable-64-bit-bfd

usr/local/bin/ld: ../opcodes/.libs/libopcodes.a(riscv-dis.o): in function `riscv_disassemble_insn':
/home/alan/src/binutils-gdb/opcodes/riscv-dis.c:541: undefined reference to `riscv_multi_subset_supports'
/usr/local/bin/ld: ../opcodes/.libs/libopcodes.a(riscv-dis.o): in function `riscv_get_disassembler':
/home/alan/src/binutils-gdb/opcodes/riscv-dis.c:892: undefined reference to `riscv_release_subset_list'
/usr/local/bin/ld: /home/alan/src/binutils-gdb/opcodes/riscv-dis.c:893: undefined reference to `riscv_parse_subset'
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:940: objdump] Error 1

-- 
Alan Modra
Australia Development Lab, IBM