target/arm: Convert load (pointer auth) insns to decodetree

Convert the instructions in the load/store register (pointer
authentication) group ot decodetree: LDRAA, LDRAB.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230602155223.2040685-17-peter.maydell@linaro.org
2 files changed