aarch64.risu: add C3.6.25 Floating-point data-processing (1 source)
aarch64.risu: add C3.6.25 Floating-point data-processing (1 source)

this adds C3.6.25, including

FMOV (register), FABS (scalar), FNEG (scalar), FCVT,
FSQRT (scalar), FRINT (scalar)

Signed-off-by: Claudio Fontana <5fe97b97070bc75ff3c7a6b130e2dcc62cbb9b58@linaro.org>

vivier/risu,stsquad/risu,stsquad/risu,vivier/risu,stsquad/risu