fjes: use currently unused variable my_epid and max_epid

Variables my_epid and max_epid are currently assigned and not being
used - however, I suspect they were intended to be used in the for-loops
to reduce the dereferencing of hw.  Replace hw->my_epid and hw->max_epid
with these variables.

Cleans up clang warnings:
warning: variable 'my_epid' set but not used [-Wunused-but-set-variable]
variable 'max_epid' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/fjes/fjes_main.c

@@ -1395,8 +1395,8 @@ static void fjes_watch_unshare_task(struct work_struct *work)
 
 	while ((unshare_watch_bitmask || hw->txrx_stop_req_bit) &&
 	       (wait_time < 3000)) {
-		for (epidx = 0; epidx < hw->max_epid; epidx++) {
-			if (epidx == hw->my_epid)
+		for (epidx = 0; epidx < max_epid; epidx++) {
+			if (epidx == my_epid)
 				continue;
 
 			is_shared = fjes_hw_epid_is_shared(hw->hw_info.share,
@@ -1453,8 +1453,8 @@ static void fjes_watch_unshare_task(struct work_struct *work)
 	}
 
 	if (hw->hw_info.buffer_unshare_reserve_bit) {
-		for (epidx = 0; epidx < hw->max_epid; epidx++) {
-			if (epidx == hw->my_epid)
+		for (epidx = 0; epidx < max_epid; epidx++) {
+			if (epidx == my_epid)
 				continue;
 
 			if (test_bit(epidx,