Use Python3 by default

Python2 is deprecated upstream, lets try to move forwards. Along with it
generalize the .gitignore file so we ignore the .pyc files in the new
location that Python3 uses.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

Makefile

@@ -24,7 +24,7 @@ BISON = bison
 LEX = flex
 SWIG = swig
 PKG_CONFIG ?= pkg-config
-PYTHON ?= python2
+PYTHON ?= python3
 
 INSTALL = /usr/bin/install
 INSTALL_PROGRAM = $(INSTALL)

pylibfdt/.gitignore

@@ -1,3 +1,3 @@
 libfdt.py
-libfdt.pyc
+*.pyc
 libfdt_wrap.c