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/cmd/part.c b/cmd/part.c
index 5e4e45c..4b2e06e 100644
--- a/cmd/part.c
+++ b/cmd/part.c
@@ -32,7 +32,7 @@
 {
 	int part;
 	struct blk_desc *dev_desc;
-	disk_partition_t info;
+	struct disk_partition info;
 
 	if (argc < 2)
 		return CMD_RET_USAGE;
@@ -90,7 +90,7 @@
 	if (var != NULL) {
 		int p;
 		char str[512] = { '\0', };
-		disk_partition_t info;
+		struct disk_partition info;
 
 		for (p = 1; p < MAX_SEARCH_PARTITIONS; p++) {
 			char t[5];
@@ -117,7 +117,7 @@
 static int do_part_info(int argc, char * const argv[], enum cmd_part_info param)
 {
 	struct blk_desc *desc;
-	disk_partition_t info;
+	struct disk_partition info;
 	char buf[512] = { 0 };
 	char *endp;
 	int part;