pylibfdt: clean up python build directory

In commit "pylibfdt/Makefile.pylibfdt: fix Python library being rebuild
during install" the build directory moved to the top level of the repo.

Signed-off-by: Brandon Maier <brandon.maier@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

.gitignore

@@ -27,3 +27,4 @@ ncscope.*
 .eggs/
 build/
 dist/
+*.egg-info/

pylibfdt/Makefile.pylibfdt

@@ -6,8 +6,8 @@ PYLIBFDT_srcs = $(PYLIBFDT_dir)/libfdt.i
 PYMODULE = $(PYLIBFDT_dir)/_libfdt.so
 PYLIBFDT_CLEANFILES_L = libfdt_wrap.c libfdt.py *.pyc *.so
 PYLIBFDT_CLEANFILES = $(PYLIBFDT_CLEANFILES_L:%=$(PYLIBFDT_dir)/%)
-PYLIBFDT_CLEANDIRS_L = build __pycache__
-PYLIBFDT_CLEANDIRS = $(PYLIBFDT_CLEANDIRS_L:%=$(PYLIBFDT_dir)/%)
+PYLIBFDT_CLEANDIRS_L = __pycache__ libfdt.egg-info
+PYLIBFDT_CLEANDIRS = build $(PYLIBFDT_CLEANDIRS_L:%=$(PYLIBFDT_dir)/%)
 
 SETUP = ./setup.py