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/spl.c b/cmd/spl.c
index 61256f4..b8e0aa4 100644
--- a/cmd/spl.c
+++ b/cmd/spl.c
@@ -50,7 +50,7 @@
 };
 
 /* Calls bootm with the parameters given */
-static int call_bootm(int argc, char * const argv[], const char *subcommand[])
+static int call_bootm(int argc, char *const argv[], const char *subcommand[])
 {
 	char *bootm_argv[5];
 
@@ -96,14 +96,15 @@
 	return 0;
 }
 
-static cmd_tbl_t cmd_spl_export_sub[] = {
+static struct cmd_tbl cmd_spl_export_sub[] = {
 	U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)SPL_EXPORT_FDT, "", ""),
 	U_BOOT_CMD_MKENT(atags, 0, 1, (void *)SPL_EXPORT_ATAGS, "", ""),
 };
 
-static int spl_export(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int spl_export(struct cmd_tbl *cmdtp, int flag, int argc,
+		      char *const argv[])
 {
-	const cmd_tbl_t *c;
+	const struct cmd_tbl *c;
 
 	if (argc < 2) /* no subcommand */
 		return cmd_usage(cmdtp);
@@ -142,13 +143,13 @@
 	return 0;
 }
 
-static cmd_tbl_t cmd_spl_sub[] = {
+static struct cmd_tbl cmd_spl_sub[] = {
 	U_BOOT_CMD_MKENT(export, 0, 1, (void *)SPL_EXPORT, "", ""),
 };
 
-static int do_spl(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_spl(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
-	const cmd_tbl_t *c;
+	const struct cmd_tbl *c;
 	int cmd;
 
 	if (argc < 2) /* no subcommand */