part: Drop disk_partition_t typedef

We should not be using typedefs and these make it harder to use
forward declarations (to reduce header file inclusions). Drop the typedef.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c
index 5b2ff81..76ab2d8 100644
--- a/lib/efi_loader/efi_device_path.c
+++ b/lib/efi_loader/efi_device_path.c
@@ -694,7 +694,7 @@
  */
 static void *dp_part_node(void *buf, struct blk_desc *desc, int part)
 {
-	disk_partition_t info;
+	struct disk_partition info;
 
 	part_get_info(desc, part, &info);
 
@@ -1036,7 +1036,7 @@
 {
 	int is_net;
 	struct blk_desc *desc = NULL;
-	disk_partition_t fs_partition;
+	struct disk_partition fs_partition;
 	int part = 0;
 	char filename[32] = { 0 }; /* dp->str is u16[32] long */
 	char *s;