socketcand: needs mmu

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/socketcand/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_SOCKETCAND
 	bool "socketcand"
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_MMU # fork()
 	help
 	  Socketcand is a daemon that provides access to CAN interfaces
 	  on a machine via a network interface.