target/arm: Convert LDR/STR reg+reg to decodetree

Convert the LDR and STR instructions which take a register
plus register offset to decodetree.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230602155223.2040685-15-peter.maydell@linaro.org
2 files changed