igzip: Implement icf_body random data skip ahead

Change-Id: I5dd5f37ec0cdfe4f2591685dc4a0a056f0b07ea3
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>

igzip: Setup for variable hash mask

Change-Id: I3be94dbc40c2e02dcff4f89e5a9df8ed1f744f02
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>

igzip: Reoptimize decode_stateless due to multibyte decode

Change-Id: I1479772062be584f5087bf2999ba4500a340ca51
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>

igzip: Improve LARGE_WINDOW and change that option to be default.

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

igzip: Improving igzip_update_histogram

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

igzip: Port improvements to stateless compress to stateful compress

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

igzip: Load memory into xmm in stateless registers

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

igzip: add macros for shrx, shlx, and bzhi instructions on old architectures

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

Add data compression unit

Include fast DEFLATE compatable compression functions.

Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>