Make out of tree builds work again

Build sdbusplus and link correctly out of tree.

Closes openbmc/bmcweb#2
Closes openbmc/bmcweb#3

Tested: cmake built out of tree
Change-Id: I7eecb19209a7dace857ffa5eb9498441dfb570e9
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a1ecd9..6b8a4ce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -109,20 +109,8 @@
 
 # sdbusplus
 if (NOT ${YOCTO_DEPENDENCIES})
-    include_directories (
-        ${CMAKE_BINARY_DIR}/sdbusplus-src ${CMAKE_BINARY_DIR}/prefix/include
-    )
-
-    set (WANT_TRANSACTION 0)
-
-    configure_file (
-        ${CMAKE_BINARY_DIR}/sdbusplus-src/sdbusplus/server.hpp.in
-        ${CMAKE_BINARY_DIR}/prefix/include/sdbusplus/server.hpp @ONLY
-    )
-    configure_file (
-        ${CMAKE_BINARY_DIR}/sdbusplus-src/sdbusplus/bus.hpp.in
-        ${CMAKE_BINARY_DIR}/prefix/include/sdbusplus/bus.hpp @ONLY
-    )
+    include_directories (${CMAKE_BINARY_DIR}/sdbusplus-src)
+    link_directories (${CMAKE_BINARY_DIR}/sdbusplus-src/.libs)
 endif ()
 
 # Openssl