Make sure that interrups are disabled during initialization.
This is a proper fix for an unexpected MSI interrupt for PCI serial driver.
Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
add support for UART 16550 compatible PCI device.
For now we support qemu serial PCI devices and AX99100 based cards.
Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>