hw/net/lan9118_phy: Add missing 100 mbps full duplex advertisement

The real device advertises this mode and the device model already advertises
100 mbps half duplex and 10 mbps full+half duplex. So advertise this mode to
make the model more realistic.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20241102125724.532843-6-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/net/lan9118_phy.c

@@ -110,8 +110,8 @@ void lan9118_phy_write(Lan9118PhyState *s, int reg, uint16_t val)
         break;
     case MII_ANAR:
         s->advertise = (val & (MII_ANAR_RFAULT | MII_ANAR_PAUSE_ASYM |
-                               MII_ANAR_PAUSE | MII_ANAR_10FD | MII_ANAR_10 |
-                               MII_ANAR_SELECT))
+                               MII_ANAR_PAUSE | MII_ANAR_TXFD | MII_ANAR_10FD |
+                               MII_ANAR_10 | MII_ANAR_SELECT))
                      | MII_ANAR_TX;
         break;
     case 30: /* Interrupt mask */