recipes-osmocom: Move DEPENDS to .inc files

Change-Id: I436e8c954e7c29c8e583507c048828e852704f4b
diff --git a/recipes-osmocom/libosmocore/libosmocore.inc b/recipes-osmocom/libosmocore/libosmocore.inc
index 25ed5c3..a501c2a 100644
--- a/recipes-osmocom/libosmocore/libosmocore.inc
+++ b/recipes-osmocom/libosmocore/libosmocore.inc
@@ -6,5 +6,6 @@
 
 LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe"
 
-inherit autotools pkgconfig
+DEPENDS = "libtalloc gnutls"
 
+inherit autotools pkgconfig