bitbake: fetch/git: Remove a possible trailing '/' in subpath
If the subpath parameter to the git fetcher ends with a trailing '/',
bb.utils.prunedir() will be called on '/'...
Fixes [YOCTO #7620].
(Bitbake master rev:
380a3fb372c8b0a53dd7528562e6e7a222dc76ef)
(Bitbake rev:
faffa1c4a4d8353b21a0d359076153da0dc31a05)
Signed-off-by: Anders Darander <anders@chargestorm.se>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>