arm: a37xx: pci: Use dev_read_addr()

There is only one base address, so use dev_read_addr() instead of dev_read_addr_index().

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 8e3b13b..6e65c0e 100644
--- a/drivers/pci/pci-aardvark.c
+++ b/drivers/pci/pci-aardvark.c
@@ -991,7 +991,7 @@
 	struct pcie_advk *pcie = dev_get_priv(dev);
 
 	/* Get the register base address */
-	pcie->base = (void *)dev_read_addr_index(dev, 0);
+	pcie->base = (void *)dev_read_addr(dev);
 	if ((fdt_addr_t)pcie->base == FDT_ADDR_T_NONE)
 		return -EINVAL;