net: ethernet: aquantia: return -ETIME in macro AQ_HW_WAIT_FOR

The macro is returning ETIME which means various checks to see if
the returned err is less than zero never work. I believe a -ETIME
should be returned instead.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h

@@ -31,7 +31,7 @@ do { \
 		udelay(_US_); \
 	} \
 	if (!AQ_HW_WAIT_FOR_i) {\
-		err = ETIME; \
+		err = -ETIME; \
 	} \
 } while (0)