odhcp6c: uses fork(), needs mmu

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/odhcp6c/Config.in

@@ -1,9 +1,11 @@
 comment "odhcp6c needs a toolchain w/ IPv6"
 	depends on !BR2_INET_IPV6
+	depends on BR2_USE_MMU
 
 config BR2_PACKAGE_ODHCP6C
 	bool "odhcp6c"
 	depends on BR2_INET_IPV6
+	depends on BR2_USE_MMU # fork()
 	help
 	  odhcp6c is a minimal DHCPv6 and RA-client for use in embedded Linux
 	  systems, especially routers.