[PATCH RFC net-next] net: stmmac: enable RPS and RBU interrupts

[Maxime Chevallier]

>> I'm not sure why we publish these statistic counters if we don't
>> enable the interrupts to allow them to ever be non-zero.

 [...]

> I personnaly find the stat useful,

Just to elaborate a bit more, I'd say I find it even harmful to have the
stat stay stuck at 0, which would be misleading when debugging while
relying on these counter values, especially if other stmmac flavours
make proper use of it.

Maxime