hw/ide/ahci: Inline ahci_get_num_ports()

Introduce the 'ich9' variable and inline ahci_get_num_ports().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240213081201.78951-5-philmd@linaro.org>
4 files changed