[Patch, MIPS] Fix SYSROOT_SUFFIX_SPEC for mips-mti-linux-gnu

This patch enables builds with mips[32|64]r3 and mips[32|64]r5 in the mips-mti-linux-gnu toolchain. t-mti-linux uses MULTILIB_MATCHES to map these to r2 but SYSROOT_SUFFIX_SPEC was not being set properly to find the sysroot (the r2 one) for these architectures. This patch fixes that problem by

RE: [Patch, MIPS] Fix SYSROOT_SUFFIX_SPEC for mips-mti-linux-gnu

2015-07-09 Steve Ellcey sell...@imgtec.com * config/mips/mti-linux.h (MIPS_SYSVERSION_SPEC): Update to handle mips[32|64]r3 and mips[32|64]r5. OK, thanks. Matthew