cxl/port: Remove Component Register base address from struct cxl_dport

The Component Register base address @component_reg_phys is no longer
used after the rework of the Component Register setup which now uses
struct member @comp_map instead. Remove the base address.

Signed-off-by: Robert Richter <rrichter@amd.com>
Signed-off-by: Terry Bowman <terry.bowman@amd.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20230622205523.85375-11-terry.bowman@amd.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Author: Robert Richter

drivers/cxl/core/port.c

@@ -960,7 +960,6 @@ __devm_cxl_add_dport(struct cxl_port *port, struct device *dport_dev,
 
 	dport->dport_dev = dport_dev;
 	dport->port_id = port_id;
-	dport->component_reg_phys = component_reg_phys;
 	dport->port = port;
 
 	cond_cxl_root_lock(port);

drivers/cxl/cxl.h

@@ -594,15 +594,13 @@ struct cxl_rcrb_info {
  * struct cxl_dport - CXL downstream port
  * @dport_dev: PCI bridge or firmware device representing the downstream link
  * @port_id: unique hardware identifier for dport in decoder target list
- * @component_reg_phys: downstream port component registers
  * @rcrb: Data about the Root Complex Register Block layout
  * @rch: Indicate whether this dport was enumerated in RCH or VH mode
  * @port: reference to cxl_port that contains this downstream port
  */
 struct cxl_dport {
 	struct device *dport_dev;
 	int port_id;
-	resource_size_t component_reg_phys;
 	struct cxl_rcrb_info rcrb;
 	bool rch;
 	struct cxl_port *port;