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/include/avb_verify.h b/include/avb_verify.h
index 18278f8..a8d7090 100644
--- a/include/avb_verify.h
+++ b/include/avb_verify.h
@@ -38,7 +38,7 @@
 	int dev_num;
 	struct mmc *mmc;
 	struct blk_desc *mmc_blk;
-	disk_partition_t info;
+	struct disk_partition info;
 };
 
 enum mmc_io_type {