cmake: Fix packet trace and data trace linkage

This commit fixes two issues:
 - The if guard had a typo and missed CONFIG_OSDP_DATA_TRACE
 - LibOSDP source file pcap.c was added C-Utils src

Fixes: #169
Signed-off-by: Siddharth Chandrasekaran <sidcha.dev@gmail.com>

src/CMakeLists.txt

@@ -62,8 +62,8 @@ if (NOT CONFIG_OSDP_STATIC_PD)
 	)
 endif()
 
-if (CONFIG_OSDP_PACKET_TRACE OR CONFIG_OSDP_PACKET_TRACE)
-	list(APPEND LIB_OSDP_UTILS_SRC
+if (CONFIG_OSDP_PACKET_TRACE OR CONFIG_OSDP_DATA_TRACE)
+	list(APPEND LIB_OSDP_SOURCES
 		${CMAKE_CURRENT_SOURCE_DIR}/osdp_pcap.c
 	)
 endif()
@@ -135,7 +135,7 @@ list(APPEND LIB_OSDP_UTILS_SRC
 	${PROJECT_SOURCE_DIR}/utils/src/logger.c
 )
 
-if (CONFIG_OSDP_PACKET_TRACE OR CONFIG_OSDP_PACKET_TRACE)
+if (CONFIG_OSDP_PACKET_TRACE OR CONFIG_OSDP_DATA_TRACE)
 	list(APPEND LIB_OSDP_UTILS_SRC
 		${PROJECT_SOURCE_DIR}/utils/src/pcap_gen.c
 	)