updates build system to support selection of Target memory, includes trace buffer

port/moonlight/CMakeLists.txt

@@ -7,10 +7,6 @@ set(MOONLIGHT_INC_DIR ${MOONLIGHT_ROOT}/inc)
 set(MOONLIGHT_SRC_DIR ${MOONLIGHT_ROOT}/src)
 set(MOONLIGHT_LDS_DIR ${MOONLIGHT_ROOT}/lds)
 
-if(NOT DEFINED TARGET_MEM)
-  set(TARGET_MEM "ram" CACHE STRING "memory map to use")
-endif()
-
 if(NOT DEFINED MOONLIGHT_TRAP_SOURCE)
   set(MOONLIGHT_TRAP_SOURCE ${MOONLIGHT_SRC_DIR}/trap_non_vectored.c)
 endif()
@@ -36,6 +32,5 @@ target_compile_options(moonlight
 target_link_options(moonlight
   INTERFACE
   -nostartfiles
-  -T ${MOONLIGHT_LDS_DIR}/${TARGET_MEM}.lds
   -Wl,--gc-sections
 )