fix(ci): also clone submodules when cloning to apply a patch

The repository will be cloned when applying a patch locally to keep the
main tree clean. However, the modules must also be explicitly pulled in.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: I4d5d9c809ec420b1d8b7c96b88a97c93593140b2
1 file changed