lantiq: Enable LANTIQ_PHY and LANTIQ_XRX200 only in XRX200 subtarget

Enable LANTIQ_PHY and LANTIQ_XRX200 only in XRX200 subtarget.

These drivers are not needed for ASE, Danube and AR9.
As side effect PHY11G and PHY22F firmwares are not included in the
kernel image, which saves 64 KB.

Signed off by: José Vázquez Fernández <ppvazquezfer@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 41449

target/linux/lantiq/config-default

@@ -83,9 +83,7 @@ CONFIG_IRQ_DOMAIN=y
 CONFIG_IRQ_FORCED_THREADING=y
 CONFIG_LANTIQ=y
 CONFIG_LANTIQ_ETOP=y
-CONFIG_LANTIQ_PHY=y
 CONFIG_LANTIQ_WDT=y
-CONFIG_LANTIQ_XRX200=y
 CONFIG_LEDS_GPIO=y
 CONFIG_MDIO_BOARDINFO=y
 CONFIG_MIPS=y

target/linux/lantiq/xrx200/config-default

@@ -15,6 +15,8 @@ CONFIG_INPUT_POLLDEV=y
 CONFIG_IRQCHIP=y
 CONFIG_IRQ_WORK=y
 # CONFIG_ISDN is not set
+CONFIG_LANTIQ_PHY=y
+CONFIG_LANTIQ_XRX200=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LZO_COMPRESS=y
 CONFIG_LZO_DECOMPRESS=y