sh: Fix FPU config option
sh: Fix FPU config option

Change to UCLIBC_HAS_FPU because UCLIBC_HAS_FLOATS can be used with
UCLIBC_HAS_SOFT_FLOAT option.

joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc