target/arm: Simplify set of PSTATE_SS in cpu_get_tb_cpu_state

Hoist the variable load for PSTATE into the existing test vs is_a64.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20191023150057.25731-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
1 file changed