[log]: excluding log_linux.c correctly now

* log_linux.c needs to be excluded generally
  in make since Linux target isn't supported
  when building with make

Closes https://github.com/espressif/esp-idf/issues/7155

components/log/component.mk

@@ -11,4 +11,6 @@ else
 COMPONENT_OBJEXCLUDE := log_freertos.o
 endif
 
+COMPONENT_OBJEXCLUDE += log_linux.o
+
 COMPONENT_ADD_LDFRAGMENTS += linker.lf