test/compress: add varied buffer input/outputs
test/compress: add varied buffer input/outputs

Added unit test to check if a SGL buffer
was added as an input and a Linear Buffer
as output and vice versa so we can test if the
application would process the different buffers
properly.

Signed-off-by: Marko Kovacevic <32a723043e16bf2a3185e32c2e613ae1ee55288f@intel.com>
Acked-by: Fiona Trahe <7ba562cc372916cd557d0be347608f8b4da4f746@intel.com>
Acked-by: Lee Daly <2af6d60a469e2e51a74701465717d0f5d7aa31a1@intel.com>
Acked-by: Pablo de Lara <28355d9cfe41bb8148aea0fb24f47aae8f4217a1@intel.com>

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