Add Socket Libraries.

Add Posix functions for porting compatibility.
Fix compliance issues with ISO/IEC 9899:199409
New Functions:
  setenv(), fparseln(), GetFileNameFromPath(), rename(),
  realpath(), setprogname(), getprogname(), strlcat(), strlcpy(),
  strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(),
  mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(),
  writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(),
  bcopy(), 


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524

StdLib/BsdSocketLib/res_config.h

@@ -0,0 +1,8 @@
+#define DEBUG   1   /* enable debugging code (needed for dig) */
+#define RESOLVSORT  /* allow sorting of addresses in gethostbyname */
+#define RFC1535     /* comply with RFC1535 (STRONGLY reccomended by vixie)*/
+#undef  USELOOPBACK /* res_init() bind to localhost */
+#undef  SUNSECURITY /* verify gethostbyaddr() calls - WE DONT NEED IT  */
+#define MULTI_PTRS_ARE_ALIASES 1 /* fold multiple PTR records into aliases */
+#define CHECK_SRVR_ADDR 1 /* confirm that the server requested sent the reply */
+#define BIND_UPDATE 1   /* update support */