ksefltest: MAINTAINERS git tree entry is incorrect

There is a few more subdirectories needed in the git tree path for the
linux-kselftest url in order to be able to properly clone it.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>

MAINTAINERS

@@ -7245,7 +7245,7 @@ KERNEL SELFTEST FRAMEWORK
 M:	Shuah Khan <shuahkh@osg.samsung.com>
 M:	Shuah Khan <shuah@kernel.org>
 L:	linux-kselftest@vger.kernel.org
-T:	git git://git.kernel.org/pub/scm/shuah/linux-kselftest
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git
 S:	Maintained
 F:	tools/testing/selftests