gcc-common.inc: In get_gcc_fpu_setting make sure we only do soft float for targets. When we build canadian toolchains (ie mingw-gcc-cross) we run this function, but we don't want it really it to so add a check on TARGET_OS=linux. Fixes building for TARGET_FPU=soft mipsel for example.
gcc-common.inc: In get_gcc_fpu_setting make sure we only do soft float for targets.
When we build canadian toolchains (ie mingw-gcc-cross) we run this function,
but we don't want it really it to so add a check on TARGET_OS=linux.
Fixes building for TARGET_FPU=soft mipsel for example.

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