layerscape: armv8_64b: do not disable CONFIG_IP_ADVANCED_ROUTER

This option is needed e.g. to use strongswan for IPSec.

BTW: This was the only target where this option was disabled.

Signed-off-by: Martin Schiller <ms@dev.tdt.de>

target/linux/layerscape/armv8_64b/config-5.4

@@ -452,7 +452,6 @@ CONFIG_IOMMU_IO_PGTABLE_LPAE=y
 # CONFIG_IOMMU_IO_PGTABLE_LPAE_SELFTEST is not set
 CONFIG_IOMMU_SUPPORT=y
 CONFIG_IPC_NS=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
 CONFIG_IRQCHIP=y
 CONFIG_IRQ_BYPASS_MANAGER=y
 CONFIG_IRQ_DOMAIN=y