hw/i386/ich9: Remove redundant GSI_NUM_PINS

Most code uses IOAPIC_NUM_PINS. The only place where GSI_NUM_PINS defines
the size of an array is ICH9LPCState::gsi which needs to match
IOAPIC_NUM_PINS. Remove GSI_NUM_PINS for consistency.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-10-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
5 files changed