updating path for rocm repo to supported rhel8 release (8.8)

Signed-off-by: Karl W. Schulz <karl.schulz@amd.com>

docker/rhel8/rocm.repo

@@ -7,7 +7,7 @@ gpgkey=https://repo.radeon.com/rocm/rocm.gpg.key
 
 [amdgpu]
 name=amdgpu
-baseurl=https://repo.radeon.com/amdgpu/latest/rhel/8.5/main/x86_64
+baseurl=https://repo.radeon.com/amdgpu/latest/rhel/8.8/main/x86_64
 enabled=1
 gpgcheck=1
 gpgkey=https://repo.radeon.com/rocm/rocm.gpg.key