disk: Rename block functions

Use the uclass type as the first part of the function name, to be
consistent with the methods in other block drivers.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c
index cef4e45..f11722d 100644
--- a/lib/efi_loader/efi_disk.c
+++ b/lib/efi_loader/efi_disk.c
@@ -123,9 +123,11 @@
 	if (CONFIG_IS_ENABLED(PARTITIONS) &&
 	    device_get_uclass_id(diskobj->header.dev) == UCLASS_PARTITION) {
 		if (direction == EFI_DISK_READ)
-			n = dev_read(diskobj->header.dev, lba, blocks, buffer);
+			n = disk_blk_read(diskobj->header.dev, lba, blocks,
+					  buffer);
 		else
-			n = dev_write(diskobj->header.dev, lba, blocks, buffer);
+			n = disk_blk_write(diskobj->header.dev, lba, blocks,
+					   buffer);
 	} else {
 		/* dev is a block device (UCLASS_BLK) */
 		struct blk_desc *desc;