target/arm: Convert vectorised 2-reg-misc Neon ops to decodetree

Convert to decodetree the insns in the Neon 2-reg-misc grouping which
we implement using gvec.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200616170844.13318-8-peter.maydell@linaro.org
3 files changed