i3c: master: Fix an error checking typo in 'cdns_i3c_master_probe()'

Fix a cut'n'paste typo.
Checking 'master->sysclk' is expected here.

Fixes: 603f2bee ("i3c: master: Add driver for Cadence IP")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>

drivers/i3c/master/i3c-master-cdns.c

@@ -1556,8 +1556,8 @@ static int cdns_i3c_master_probe(struct platform_device *pdev)
 		return PTR_ERR(master->pclk);
 
 	master->sysclk = devm_clk_get(&pdev->dev, "sysclk");
-	if (IS_ERR(master->pclk))
-		return PTR_ERR(master->pclk);
+	if (IS_ERR(master->sysclk))
+		return PTR_ERR(master->sysclk);
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)