This patch introduces the following element binary operators:
* spirv.Tosa.LogicalAnd
* spirv.Tosa.LogicalLeftShift
* spirv.Tosa.LogicalRightShift
* spirv.Tosa.LogicalOr
* spirv.Tosa.LogicalXor
Also dialect and serialization round-trip tests have been added.
Signed-off-by: Davide Grohmann <davide.grohmann@arm.com>