regmap: Remove incorrect unreachable comment in regcache_set_val()

regcache_set_val() returns false if cache[idx] != val. Thus it actually is not unreachable.

---
 drivers/base/regmap/regcache.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

index d103401..77ce5ff 100644
@@ -389,7 +389,6 @@ bool regcache_set_val(void *base, unsigned int idx,
 	default:
 		BUG();
 	}
-	/* unreachable */
 	return false;
 }
 

1.7.5.4

Applied, thanks.