agere: fix repeated words in comments

Delete the redundant word 'the'.

Signed-off-by: Jilin Yuan <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ethernet/agere/et131x.c

···
 	writel(0, &rxmac->mif_ctrl);
 	writel(0, &rxmac->space_avail);
 
-	/* Initialize the the mif_ctrl register
+	/* Initialize the mif_ctrl register
 	 * bit 3:  Receive code error. One or more nibbles were signaled as
 	 *	   errors  during the reception of the packet.  Clear this
 	 *	   bit in Gigabit, set it in 100Mbit.  This was derived