gianfar: Remove redundant programming of [rt]xic registers
For Multi Q Multi Group (MQ_MG_MODE) mode, the Rx/Tx colescing registers [rt]xic are aliased with the [rt]xic0 registers (coalescing setting regs for Q0). This avoids programming twice in a row the coalescing registers for the Rx/Tx hw Q0. Signed-off-by: NClaudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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