hwspinlock: Remove redundant config

The hardware core can not be built as a module, so remove the redundant
CONFIG_HWSPINLOCK_MODULE config.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

include/linux/hwspinlock.h

@@ -52,7 +52,7 @@ struct hwspinlock_pdata {
 	int base_id;
 };
 
-#if defined(CONFIG_HWSPINLOCK) || defined(CONFIG_HWSPINLOCK_MODULE)
+#ifdef CONFIG_HWSPINLOCK
 
 int hwspin_lock_register(struct hwspinlock_device *bank, struct device *dev,
 		const struct hwspinlock_ops *ops, int base_id, int num_locks);