binutils: Fix mips patch which changes default emulation
The patch incorrectly removes 'mips_elf32_ntrad_le_vec' from the
'targ_selvecs' replacing it with duplicate entries for
'mips_elf32_ntrad_be_vec'. Correct this so that the default binutils can
still handle 'mips_elf32_ntrad_le_vec' binaries.