drivers: use dev_read_addr_ptr when cast to pointer

The fdt_addr_t and phys_addr_t size have been decoupled. A 32bit CPU
can expect 64-bit data from the device tree parser, so use
dev_read_addr_ptr instead of the dev_read_addr function in the
various files in the drivers directory that cast to a pointer.
As we are there also streamline the error response to -EINVAL on return.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/ata/dwc_ahsata.c b/drivers/ata/dwc_ahsata.c
index 167b5a3..6a4d861 100644
--- a/drivers/ata/dwc_ahsata.c
+++ b/drivers/ata/dwc_ahsata.c
@@ -912,7 +912,7 @@
 #endif
 	uc_priv->host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
 			ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | ATA_FLAG_NO_ATAPI;
-	uc_priv->mmio_base = (void __iomem *)dev_read_addr(dev);
+	uc_priv->mmio_base = dev_read_addr_ptr(dev);
 
 	/* initialize adapter */
 	ret = ahci_host_init(uc_priv);