interconnect: qcom: bcm-voter: add a missing of_node_put()

Add a missing of_node_put() in of_bcm_voter_get() to avoid the
reference leak.

Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/1619116570-13308-1-git-send-email-subbaram@codeaurora.org
Fixes: 976daac ("interconnect: qcom: Consolidate interconnect RPMh support")
Signed-off-by: Georgi Djakov <djakov@kernel.org>

Author: Subbaraman Narayanamurthy

drivers/interconnect/qcom/bcm-voter.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
  */
 
 #include <asm/div64.h>
@@ -205,6 +205,7 @@ struct bcm_voter *of_bcm_voter_get(struct device *dev, const char *name)
 	}
 	mutex_unlock(&bcm_voter_lock);
 
+	of_node_put(node);
 	return voter;
 }
 EXPORT_SYMBOL_GPL(of_bcm_voter_get);