Update flags used to build libtinydtls
Update flags used to build libtinydtls

Resolves: LE-16460
Change-Id: I7e1a30656268c190110a317590b198fb0ba51b49

legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af