cmake: xcc: remove TOOLCHAIN_LIBS

Following the footstep of GCC/Clang cmake code to remove
TOOLCHAIN_LIBS, xcc also has it removed and utilizes
something similar to c_library to link the HAL library.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>

cmake/compiler/xcc/target.cmake

@@ -40,12 +40,6 @@ foreach(file_name include/stddef.h include-fixed/limits.h)
   list(APPEND NOSTDINC ${_OUTPUT})
 endforeach()
 
-list(APPEND TOOLCHAIN_LIBS
-  gcc
-  hal
-  )
-
-
 # For CMake to be able to test if a compiler flag is supported by the
 # toolchain we need to give CMake the necessary flags to compile and
 # link a dummy C file.

cmake/linker/xt-ld/linker_libraries.cmake

@@ -5,4 +5,5 @@
 set_linker_property(NO_CREATE PROPERTY c_library    "-lc")
 set_linker_property(NO_CREATE PROPERTY rt_library   "-lgcc")
 set_linker_property(NO_CREATE PROPERTY c++_library  "-lstdc++")
-set_linker_property(PROPERTY link_order_library "c;rt")
+set_linker_property(NO_CREATE PROPERTY hal_library  "-lhal")
+set_linker_property(PROPERTY link_order_library "c;rt;hal")

cmake/linker/xt-ld/target.cmake

@@ -130,7 +130,6 @@ function(toolchain_ld_link_elf)
     ${NO_WHOLE_ARCHIVE_LIBS}
     $<TARGET_OBJECTS:${OFFSETS_LIB}>
     -L${PROJECT_BINARY_DIR}
-    ${TOOLCHAIN_LIBS}
 
     ${TOOLCHAIN_LD_LINK_ELF_DEPENDENCIES}
   )