- updated AnyType:$value to Tosa_Tensor:$input1 and Tosa_Tensor:$output1
for VariableWrite and VriableRead Operators
- updated description discrepancies
- note: in the TOSA spec, we had var_shape attr, but it's already
included
in the TypeAttr:$type in MLIR
Signed-off-by: Jerry Ge <jerry.ge@arm.com>