Update RoCM substitutions for tinygrad

[deftdawg]

AMD replaced their hardcoded /opt/rocm/lib paths with ROCM_PATH, '/opt/rocm/' variables, the old substituteInPlace no longer matched the strings and did the substitutions resulting in the libraries not being found at runtime.

When I changed this I had to disable running tests (not part of this PR) because the tests crash the machine I'm using... (yay AMD!) ; for that have to do doCheck = !rocmSupport;.

FYI @GaetanLepage

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[GaetanLepage]

LGTM thanks !

[GaetanLepage]

cc @SomeoneSerge @wozeparrot

[wozeparrot]

There might be a patch needed for the /opt/rocm here: https://github.com/tinygrad/tinygrad/blob/a556adf0280c66e9baceb43cf280e3bfad30056e/tinygrad/runtime/support/compiler_hip.py#L43

At least I have this patched in tinygrad-nix.

But otherwise, LGTM.

[deftdawg]

At least I have this patched in tinygrad-nix.

Thanks @wozeparrot, I added patches for compiler_hip.py too... was able to get through testing (ran over SSH maybe that's why).

cd into the nix/store/tinygrad directory and ran some checks

# find any /opt/rocm references; still a couple but they're commments
rg "/opt/rocm" * 
# check that all replaced instances actually match an existing file
for f in $(grep -roE "/nix/store/[^'\" ]*" * 2>/dev/null | cut -d: -f2); do [ ! -e ${f} ] && echo $f is not found; done

[GaetanLepage]

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