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/fs/sandbox/sandboxfs.c b/fs/sandbox/sandboxfs.c
index af47224..5851fe2 100644
--- a/fs/sandbox/sandboxfs.c
+++ b/fs/sandbox/sandboxfs.c
@@ -8,7 +8,7 @@
 #include <malloc.h>
 #include <os.h>
 
-int sandbox_fs_set_blk_dev(struct blk_desc *rbdd, disk_partition_t *info)
+int sandbox_fs_set_blk_dev(struct blk_desc *rbdd, struct disk_partition *info)
 {
 	/*
 	 * Only accept a NULL struct blk_desc for the sandbox, which is when