build: add helper/types.h to config.h

this header is used in numerous files and adding to config.h
simplifies its use globally.

Change-Id: Id724a9950b90504721233022c7fb5768e9bc5548
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/649
Tested-by: jenkins
Reviewed-by: Xiaofan <xiaofanc@gmail.com>

src/helper/replacements.h

@@ -139,8 +139,6 @@ static inline unsigned usleep(unsigned int usecs)
 #include <windows.h>
 #include <time.h>
 
-#include <helper/types.h>
-
 /* Windows does not declare sockaddr_un */
 #define UNIX_PATH_LEN 108
 struct sockaddr_un {
@@ -230,8 +228,6 @@ static inline int socket_select(int max_fd,
 
 #ifndef HAVE_ELF_H
 
-#include <helper/types.h>
-
 typedef uint32_t Elf32_Addr;
 typedef uint16_t Elf32_Half;
 typedef uint32_t Elf32_Off;