wasm: Support 128bit integers for max/min/ctz/clz

`airMaxMin` was slightly updated to automatically support 128 bit integers,
by using the `cmp` function, instead of doing it manually. This makes the function
more maintanable as well.

`ctz` and `clz` now support 128 bit integers, while updating the previous implementation
also.
ea073a6b76Luuk de Gram committed on 5/18/2022, 5:43:33 AMparent502f5d8
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