clk: ti: Fix missing of_node_get() ti_find_clock_provider()

For ti_find_clock_provider() we want to return the np with refcount
incremented. However we are missing of_node_get() for the
clock-output-names case that causes refcount warnings.

Fixes: 51f661ef ("clk: ti: Add ti_find_clock_provider() to use clock-output-names")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220621091118.33930-1-tony@atomide.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/ti/clk.c

@@ -135,6 +135,7 @@ static struct device_node *ti_find_clock_provider(struct device_node *from,
 			continue;
 
 		if (!strncmp(n, tmp, strlen(tmp))) {
+			of_node_get(np);
 			found = true;
 			break;
 		}