arm64: a37xx: pci: Fix printing debug messages

Value pcie->dev in function pcie_advk_probe() is not initialized yet
so use dev as argument for dev_dbg()/dev_warn().

Function pcie_advk_wait_pio() itself prints error message on failure
so do not print duplicate error message in caller.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/pci/pci-aardvark.c b/drivers/pci/pci-aardvark.c
index 1534efb..8713b88 100644
--- a/drivers/pci/pci-aardvark.c
+++ b/drivers/pci/pci-aardvark.c
@@ -448,7 +448,6 @@
 	advk_writel(pcie, 1, PIO_START);
 
 	if (!pcie_advk_wait_pio(pcie)) {
-		dev_dbg(pcie->dev, "- wait pio timeout\n");
 		return -EINVAL;
 	}
 
@@ -630,12 +629,12 @@
 	 *     clock should be gated as well.
 	 */
 	if (dm_gpio_is_valid(&pcie->reset_gpio)) {
-		dev_dbg(pcie->dev, "Toggle PCIE Reset GPIO ...\n");
+		dev_dbg(dev, "Toggle PCIE Reset GPIO ...\n");
 		dm_gpio_set_value(&pcie->reset_gpio, 1);
 		mdelay(200);
 		dm_gpio_set_value(&pcie->reset_gpio, 0);
 	} else {
-		dev_warn(pcie->dev, "PCIE Reset on GPIO support is missing\n");
+		dev_warn(dev, "PCIE Reset on GPIO support is missing\n");
 	}
 
 	pcie->first_busno = dev_seq(dev);