Add 8 mxfp failed tests to the defult skip list

Signed-off-by: Pavel Chekin <[email protected]>

Author: pbchekin

scripts/skiplist/default/mxfp.txt

@@ -0,0 +1,8 @@
+test/unit/language/test_matmul.py::test_mxfp[0-4-1-256-128-128-1024-512-256]
+test/unit/language/test_matmul.py::test_mxfp[0-4-1-128-256-128-1024-512-256]
+test/unit/language/test_matmul.py::test_mxfp[0-4-1-128-256-128-128-256-256]
+test/unit/language/test_matmul.py::test_mxfp[0-4-1-128-64-128-128-256-256]
+test/unit/language/test_matmul.py::test_mxfp[0-4-3-256-128-128-1024-512-256]
+test/unit/language/test_matmul.py::test_mxfp[0-4-3-128-256-128-1024-512-256]
+test/unit/language/test_matmul.py::test_mxfp[0-4-3-128-256-128-128-256-256]
+test/unit/language/test_matmul.py::test_mxfp[0-4-3-128-64-128-128-256-256]