pkg/ccnl: clean up build dependencies

Makefile.dep

@@ -705,10 +705,6 @@ ifneq (,$(filter nanocoap_%,$(USEMODULE)))
   USEMODULE += nanocoap
 endif
 
-ifneq (,$(filter ccn-lite,$(USEPKG)))
-  USEMODULE += ccn-lite-utils
-endif
-
 ifneq (,$(filter fatfs_vfs,$(USEMODULE)))
   USEPKG += fatfs
   USEMODULE += vfs

examples/ccn-lite-relay/Makefile

@@ -33,11 +33,7 @@ USEMODULE += gnrc_netdev_default
 USEMODULE += auto_init_gnrc_netif
 # This application dumps received packets to STDIO using the pktdump module
 USEMODULE += gnrc_pktdump
-USEMODULE += timex
-USEMODULE += xtimer
-USEMODULE += random
 USEMODULE += prng_xorshift
-USEMODULE += tlsf-malloc
 
 USEPKG += ccn-lite
 

pkg/ccn-lite/Makefile.dep

+ifneq (,$(filter ccn-lite,$(USEPKG)))
+  USEMODULE += ccn-lite-utils
+  USEMODULE += evtimer
+  USEMODULE += random
+  USEMODULE += timex
+  USEMODULE += tlsf-malloc
+endif