Updated KDF Counter Generator Test to support new version of KDF Counter Generator

New KDF Counter Generator Test now supports all three variants of the
NIST SP800-108 KDF Counter-based scheme.
Updated KDF Counter Generator TEST vectors to latest NIST revision.

The new vectors also include the 'middle' variant of the counter
inclusion.
PRF( KI, [ FixedDataBeforeCtr || Ctr || FixedDataAfterCtr ] ).

# CAVS 14.4
# "SP800-108 - KDF" information for "test1"
# KDF Mode Supported: Counter Mode
# Location of counter tested: (Before Fixed Input Data)  (After Fixed
Input Data)(In Middle of Fixed Input Data before Context)
# PRFs tested: CMAC with key sizes: AES128  AES192  AES256  TDES2  TDES3
HMAC with key sizes: SHA1  SHA224  SHA256  SHA384  SHA512
# Generated on Tue Apr 23 12:20:16 2013