device/path: rename domain path struct element to 'domain_id'

Rename the 'domain' element of the 'domain_path' struct to 'domain_id'
to clarify that this element is the domain ID.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Suggested-by: Martin Roth <gaumless@gmail.com>
Change-Id: I3995deb83a669699434f0073aed0e12b688bf6e7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83677
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Shuo Liu <shuo.liu@intel.com>

src/soc/intel/xeon_sp/include/soc/chip_common.h

@@ -30,7 +30,7 @@ static inline void init_xeon_domain_path(struct device_path *path, int socket,
 		.bus = bus,
 	};
 	path->type = DEVICE_PATH_DOMAIN;
-	path->domain.domain = dp.domain_path;
+	path->domain.domain_id = dp.domain_path;
 };
 
 /*

src/soc/intel/xeon_sp/spr/ioat.c

@@ -44,7 +44,7 @@ static struct device *const create_ioat_domain(const union xeon_domain_path dp,
 	struct device_path path = {
 		.type = DEVICE_PATH_DOMAIN,
 		.domain = {
-			.domain = new_path.domain_path,
+			.domain_id = new_path.domain_path,
 		},
 	};
 	struct device *const domain = alloc_find_dev(upstream, &path);