net: mvpp2: do not bypass the mvpp22_port_mii_set function

The mvpp22_port_mii_set() function was added by 2697582144dd, but the
function directly returns without doing anything. This return was used
when debugging and wasn't removed before sending the patch. Fix this.

Fixes: 2697582144dd ("net: mvpp2: handle misc PPv2.1/PPv2.2 differences")
Signed-off-by: Antoine Tenart <[e-mail]>
Acked-by: Thomas Petazzoni <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/marvell/mvpp2.c

···
 {
 	u32 val;
 
-	return;
-
 	/* Only GOP port 0 has an XLG MAC */
 	if (port->gop_id == 0) {
 		val = readl(port->base + MVPP22_XLG_CTRL3_REG);