Update .gitignore with autotools stuff

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

.gitignore

@@ -1,4 +1,35 @@
+Makefile
+Makefile.in
+.deps
+.libs
 *.o
 *.a
-*.pyc
+*.lo
+*.la
+*.pc
+aclocal.m4
+acinclude.m4
+aminclude.am
+m4/*.m4
+autom4te.cache
+config.h*
+config.sub
+config.log
+config.status
+config.guess
+configure
+depcomp
+missing
+ltmain.sh
+install-sh
+stamp-h1
+libtool
+Doxyfile
+
+.tarball-version
+.version
+
 .*.swp
+
+doc/
+src/gmr1_rx