target/arm: Set TCGCPUOps.restore_state_to_opc for v7m

This setting got missed, breaking v7m.

Fixes: 56c6c98d ("target/arm: Convert to tcg_ops restore_state_to_opc")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1347


Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Evgeny Ermakov <evgeny.v.ermakov@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221129204146.550394-1-richard.henderson@linaro.org>