bus/fslmc: remove unused device count

[ upstream commit 54d109b ]

Reported by clang 13.
This patch removes the device_count variable from the rte_fslmc_scan
function within the fslmc bus driver as it is an unused but set variable.

Bugzilla ID: 881
Fixes: 828d51d ("bus/fslmc: refactor scan and probe functions")

Reported-by: Liang Longfeng <longfengx.liang@intel.com>
Signed-off-by: Conor Walsh <conor.walsh@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>

drivers/bus/fslmc/fslmc_bus.c

@@ -303,7 +303,6 @@ static int
 rte_fslmc_scan(void)
 {
 	int ret;
-	int device_count = 0;
 	char fslmc_dirpath[PATH_MAX];
 	DIR *dir;
 	struct dirent *entry;
@@ -337,7 +336,6 @@ rte_fslmc_scan(void)
 			/* Error in parsing directory - exit gracefully */
 			goto scan_fail_cleanup;
 		}
-		device_count += 1;
 	}
 
 	closedir(dir);