power: supply: rk817: remove redundant null check on node

The pointer null is being null checked immediately after it has
been assigned at the start of the function and not changed afterwards.
The subsequent null check on node is redudant and can be removed.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20250319105153.775155-1-colin.i.king@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Author: ColinIanKing

drivers/power/supply/rk817_charger.c

@@ -1088,7 +1088,7 @@ static int rk817_charger_probe(struct platform_device *pdev)
 	rk817_bat_calib_vol(charger);
 
 	pscfg.drv_data = charger;
-	pscfg.fwnode = node ? &node->fwnode : NULL;
+	pscfg.fwnode = &node->fwnode;
 
 	/*
 	 * Get sample resistor value. Note only values of 10000 or 20000