target/arm: Use TRANS_FEAT for gen_gvec_ool_zzzz

Convert SVE translation functions directly using
gen_gvec_ool_zzzz to TRANS_FEAT.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220527181907.189259-10-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>