command: Remove the cmd_tbl_t typedef

We should not use typedefs in U-Boot. They cannot be used as forward
declarations which means that header files must include the full header to
access them.

Drop the typedef and rename the struct to remove the _s suffix which is
now not useful.

This requires quite a few header-file additions.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/part.c b/cmd/part.c
index 4b2e06e..216f14b 100644
--- a/cmd/part.c
+++ b/cmd/part.c
@@ -28,7 +28,7 @@
 	CMD_PART_INFO_NUMBER
 };
 
-static int do_part_uuid(int argc, char * const argv[])
+static int do_part_uuid(int argc, char *const argv[])
 {
 	int part;
 	struct blk_desc *dev_desc;
@@ -51,7 +51,7 @@
 	return 0;
 }
 
-static int do_part_list(int argc, char * const argv[])
+static int do_part_list(int argc, char *const argv[])
 {
 	int ret;
 	struct blk_desc *desc;
@@ -114,7 +114,7 @@
 	return 0;
 }
 
-static int do_part_info(int argc, char * const argv[], enum cmd_part_info param)
+static int do_part_info(int argc, char *const argv[], enum cmd_part_info param)
 {
 	struct blk_desc *desc;
 	struct disk_partition info;
@@ -167,22 +167,23 @@
 	return 0;
 }
 
-static int do_part_start(int argc, char * const argv[])
+static int do_part_start(int argc, char *const argv[])
 {
 	return do_part_info(argc, argv, CMD_PART_INFO_START);
 }
 
-static int do_part_size(int argc, char * const argv[])
+static int do_part_size(int argc, char *const argv[])
 {
 	return do_part_info(argc, argv, CMD_PART_INFO_SIZE);
 }
 
-static int do_part_number(int argc, char * const argv[])
+static int do_part_number(int argc, char *const argv[])
 {
 	return do_part_info(argc, argv, CMD_PART_INFO_NUMBER);
 }
 
-static int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_part(struct cmd_tbl *cmdtp, int flag, int argc,
+		   char *const argv[])
 {
 	if (argc < 2)
 		return CMD_RET_USAGE;