ahci: add pcid for Marvel 0x9182 controller

commit c5edfff9db6f4d2c35c802acb4abe0df178becee upstream.

Keystone K2E EVM uses Marvel 0x9182 controller. This requires support
for the ID in the ahci driver.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
[lizf: Backported to 3.4:
 - adjust context
 - s/PCI_VENDOR_ID_MARVELL_EXT/0x1b4b/]
Signed-off-by: Zefan Li <lizefan@huawei.com>