Why I did it Arista-7260CX3-Q64 is missing T1 MMU configuration. How I did it Define T1 MMU configuration for Arista-7260CX3-Q64. Signed-off-by: Ying Xie <ying.xie@microsoft.com>
Signed-off-by: Ying Xie <ying.xie@microsoft.com>