Conform descriptions with Yellow Paper

Revert changes of f360fc8 to conform with the Ethereum Yellow Paper.

Author: 0xPhaze

pyevmasm/evmasm.py

@@ -789,7 +789,7 @@ def __repr__(self):
     0x11: ("GT", 0, 2, 1, 3, "Greater-than comparison."),
     0x12: ("SLT", 0, 2, 1, 3, "Signed less-than comparison."),
     0x13: ("SGT", 0, 2, 1, 3, "Signed greater-than comparison."),
-    0x14: ("EQ", 0, 2, 1, 3, "Equality comparison."),
+    0x14: ("EQ", 0, 2, 1, 3, "Simple not operator."),
     0x15: ("ISZERO", 0, 1, 1, 3, "Equals zero comparison."),
     0x16: ("AND", 0, 2, 1, 3, "Bitwise AND operation."),
     0x17: ("OR", 0, 2, 1, 3, "Bitwise OR operation."),