hw/misc: Support 8-bytes memop in NPCM GCR module The NPCM8xx GCR device can be accessed with 64-bit memory operations. This patch supports that. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Hao Wu <wuhaotsh@google.com> Reviewed-by: Philippe Mathieu-Daude <philmd@linaro.org> Message-id: 20250219184609.1839281-10-wuhaotsh@google.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>