target/sparc: Restrict STQF to sparcv9

target/sparc: Restrict STQF to sparcv9

Prior to sparcv9, the same encoding was STDFQ.

Cc: qemu-stable@nongnu.org
Fixes: 06c060d9e5b ("target/sparc: Move simple fp load/store to decodetree")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240816072311.353234-2-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
(cherry picked from commit 12d36294a2d978faf893101862118d1ac1815e85)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>