target/arm: Rename isar_feature_aa64_sve_sm4

Rename from isar_feature_aa64_sve2_sm4 to match
the feature name: FEAT_SVE_SM4.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20260826174213.614571-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
4 files changed