std.Target: Rename amdgpu module to amdgcn.

This was an inconsistency left over from c825b567b26c475e058e074e5d22af006854fab6.
baf60426d4Alex Rønne Petersen committed on 11/2/2024, 9:44:14 AMparent20cdfe9
7 files changedLine totals unavailable