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/LibC/Locale/Locale.inf

@@ -63,12 +63,3 @@
 [LibraryClasses]
   LibC
   LibCType
-
-################################################################
-#
-# The Build Options, below, are only used when building the C library.
-# DO NOT use them when building your application!
-# Nasty things could happen if you do.
-#
-[BuildOptions]
-  GCC:*_*_*_CC_FLAGS    = -fno-builtin