Make more fxc.hlsl files INVALID

Used the following to get the list of files that fail because f16 and
wave operations are not supported:
```
git grep "unexpected token 'float16_t'
git grep "unrecognized identifier 'float16_t'
git grep "undeclared identifier 'Wave
```

Change-Id: I27d9ea4d03cb54f5cf9664d9f18f42ef6ba437e9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/203494
Reviewed-by: James Price <jrprice@google.com>