EDAC/sb_edac: Remove redundant initialization of variable rc

The variable rc is being initialized with a value that is never read, it
is being updated later on. The assignment is redundant and thus remove
it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211126221848.1125321-1-colin.i.king@gmail.com

drivers/edac/sb_edac.c

@@ -3439,7 +3439,7 @@ MODULE_DEVICE_TABLE(x86cpu, sbridge_cpuids);
 
 static int sbridge_probe(const struct x86_cpu_id *id)
 {
-	int rc = -ENODEV;
+	int rc;
 	u8 mc, num_mc = 0;
 	struct sbridge_dev *sbridge_dev;
 	struct pci_id_table *ptable = (struct pci_id_table *)id->driver_data;