drivers: core: Remove duplicate newlines

Drop all duplicate newlines. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/drivers/core/of_addr.c b/drivers/core/of_addr.c
index c893447..6c7b4c9 100644
--- a/drivers/core/of_addr.c
+++ b/drivers/core/of_addr.c
@@ -401,7 +401,6 @@
 	return ret;
 }
 
-
 static int __of_address_to_resource(const struct device_node *dev,
 		const __be32 *addrp, u64 size, unsigned int flags,
 		const char *name, struct resource *r)