crc16: move to lib_generic

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/lib_generic/Makefile b/lib_generic/Makefile
index a820f97..7df5a2c 100644
--- a/lib_generic/Makefile
+++ b/lib_generic/Makefile
@@ -30,6 +30,7 @@
 COBJS-y += bzlib_decompress.o
 COBJS-y += bzlib_randtable.o
 COBJS-y += bzlib_huffman.o
+COBJS-y += crc16.o
 COBJS-y += crc32.o
 COBJS-y += ctype.o
 COBJS-y += display_options.o