jtag: move prototype of adapter init/quit and speed to adapter.h

After moved the code, align the include files.

Change-Id: I514a3020648816810d69f76c2ec4f6e52a1c57ab
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6643
Tested-by: jenkins
Reviewed-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>

src/jtag/drivers/amt_jtagaccel.c

@@ -20,6 +20,7 @@
 #include "config.h"
 #endif
 
+#include <jtag/adapter.h>
 #include <jtag/interface.h>
 
 #if PARPORT_USE_PPDEV == 1

src/jtag/drivers/cmsis_dap.c

@@ -40,6 +40,7 @@
 
 #include <transport/transport.h>
 #include "helper/replacements.h"
+#include <jtag/adapter.h>
 #include <jtag/swd.h>
 #include <jtag/interface.h>
 #include <jtag/commands.h>

src/jtag/drivers/parport.c

@@ -23,6 +23,7 @@
 #include "config.h"
 #endif
 
+#include <jtag/adapter.h>
 #include <jtag/interface.h>
 #include "bitbang.h"
 

src/jtag/drivers/vsllink.c

@@ -24,6 +24,7 @@
 #include "config.h"
 #endif
 
+#include <jtag/adapter.h>
 #include <jtag/interface.h>
 #include <jtag/commands.h>
 #include <jtag/swd.h>