4.9-rt: add script to auto create bisect branches

Sample usage:

	mkdir rt-test
	cd rt-test
	# clone mainline or clone from a local copy with >=4.9 tags in it.
	git clone /path/to/my/existing/mainline/linux linux-rt-bisect
	git clone git://git.kernel.org/pub/scm/linux/kernel/git/paulg/4.9-rt-patches.git
	cd linux-rt-bisect
	../4.9-rt-patches.git/scripts/create-branches.sh
1 file changed
tree: 3b506109fa6caabf8ef61ea371cf758f04ad69b6
  1. patches/
  2. scripts/