RDMA/vmw_pvrdma: Fix the active_speed and phys_state value

The pvrdma_port_attr structure is ABI toward the hypervisor, changing it
breaks the ability to report the speed properly. Revert the change to u16.

Fixes: 376ceb31 ("RDMA: Fix link active_speed size")
Link: https://lore.kernel.org/r/20201102225437.26557-1-aditr@vmware.comReviewed-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Adit Ranadive <aditr@vmware.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h

@@ -176,7 +176,7 @@ struct pvrdma_port_attr {
 	u8			subnet_timeout;
 	u8			init_type_reply;
 	u8			active_width;
-	u16			active_speed;
+	u8			active_speed;
 	u8			phys_state;
 	u8			reserved[2];
 };