redhat/configs: enable CONFIG_AMD_3D_VCACHE for RHEL

Steve Bestrequested to merge
<span class="gl-align-middle -gl-mr-2 has-tooltip" title="The source project is a fork"><svg class="s12 gl-ml-1 has-tooltip" data-testid="fork-icon"><use href="/assets/icons-41229992eca580608aadaaa9b83b717650b2863442574d0ebb87f859c42a3b6c.svg#fork"></use></svg></span> (removed):1 into os-build

Description:
Enable AMD 3D V-Cache Performance Optimizer for x86

Tested:
make dist-configs and verified successful *.config file generation.

Signed-off-by: Steve Best sbest@redhat.com

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