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/arch/arm/mach-imx/imx8/ahab.c b/arch/arm/mach-imx/imx8/ahab.c
index 6d25abe..6439447 100644
--- a/arch/arm/mach-imx/imx8/ahab.c
+++ b/arch/arm/mach-imx/imx8/ahab.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <command.h>
 #include <errno.h>
 #include <asm/io.h>
 #include <asm/arch/sci/sci.h>
@@ -149,8 +150,8 @@
 	return ret;
 }
 
-static int do_authenticate(cmd_tbl_t *cmdtp, int flag, int argc,
-			   char * const argv[])
+static int do_authenticate(struct cmd_tbl *cmdtp, int flag, int argc,
+			   char *const argv[])
 {
 	ulong addr;
 
@@ -250,8 +251,8 @@
 	}
 }
 
-static int do_ahab_status(cmd_tbl_t *cmdtp, int flag, int argc,
-			  char * const argv[])
+static int do_ahab_status(struct cmd_tbl *cmdtp, int flag, int argc,
+			  char *const argv[])
 {
 	int err;
 	u8 idx = 0U;
@@ -297,8 +298,8 @@
 	return 0;
 }
 
-static int do_ahab_close(cmd_tbl_t *cmdtp, int flag, int argc,
-			 char * const argv[])
+static int do_ahab_close(struct cmd_tbl *cmdtp, int flag, int argc,
+			 char *const argv[])
 {
 	int err;
 	u16 lc;