Add emulated serialIo device driver for EdkUnixPkg

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2605 6f19259b-4bc3-4df7-8a09-765794883524

EdkUnixPkg/Sec/UnixThunk.c

@@ -37,7 +37,8 @@ Abstract:
 #include <time.h>
 #include <signal.h>
 #include <string.h>
-#include <stdlib.h>
+#include <stdlib.h>
+#include <termio.h>
 
 static int settimer_initialized;
 static struct timeval settimer_timeval;
@@ -187,8 +188,16 @@ EFI_UNIX_THUNK_PROTOCOL mUnixThunkTable = {
   fsync,
   chmod,
   utime,
-
-  UgaCreate,
+  tcflush,
+  UgaCreate,
+  perror,
+  printf,
+  ioctl,
+  fcntl,
+  cfsetispeed,
+  cfsetospeed,
+  tcgetattr,
+  tcsetattr
 };