bcma: support SPROM rev 11

Rev 11 works fine for me to set the MAC address of gmac0 and
gmac1 in the D-Link DWL-8610AP.

Cc: Rafał Miłecki <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>
Signed-off-by: Kalle Valo <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/bcma/sprom.c

···
 		return err;
 
 	revision = sprom[words - 1] & SSB_SPROM_REVISION_REV;
-	if (revision != 8 && revision != 9 && revision != 10) {
+	if (revision < 8 || revision > 11) {
 		pr_err("Unsupported SPROM revision: %d\n", revision);
 		return -ENOENT;
 	}