bfin: allow 2.6.x kernel, arcturus device have networking

target/bfin/systems/arcturus-ucbf54x

@@ -1,6 +1,7 @@
 config ADK_TARGET_SYSTEM_ARCTURUS_UCBF54X
 	bool "Arcturus uCBF54x"
 	select ADK_TARGET_CPU_BFIN_BF548
+	select ADK_TARGET_WITH_NETDEVICE
 	select ADK_TARGET_PACKAGE_TXZ
 	help
 	  Arcturus uCBF54x.

target/linux/Config.in.kernelversion

@@ -185,7 +185,6 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_3_4
 config ADK_TARGET_LINUX_KERNEL_VERSION_2_6_32
 	bool "2.6.32.70"
 	depends on !ADK_TARGET_ARCH_ARC
-	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_CSKY
 	depends on !ADK_TARGET_ARCH_H8300
 	depends on !ADK_TARGET_ARCH_NDS32