qemu: Updating script to use the public optee_test
qemu: Updating script to use the public optee_test

setup_qemu_optee.sh now uses the official optee_test git that also are
using ta-dev-kit built by optee_os.

Signed-off-by: Joakim Bech <741f90e2a7f4d9afbad8bd50be20560f4cf38962@linaro.org>
Tested-by: Joakim Bech <741f90e2a7f4d9afbad8bd50be20560f4cf38962@linaro.org> (QEMU)
Tested-by: Pascal Brand <0b55292d2562685bad4ce52d64f802e8f1cd299e@linaro.org> (QEMU)
           (standard and extended tests)

cedric-chaumont-st-dev/optee_os,Microsoft/optee_os,Microsoft/optee_os,matt2048/optee_os,Microsoft/optee_os,BreezeWu/optee_os,pascal-brand-st-dev/optee_os,cedric-chaumont-st-dev/optee_os,BreezeWu/optee_os,BreezeWu/optee_os,matt2048/optee_os,cedric-chaumont-st-dev/optee_os,BreezeWu/optee_os,Microsoft/optee_os,Microsoft/optee_os,matt2048/optee_os,pascal-brand-st-dev/optee_os,matt2048/optee_os,chshxi1989/optee_os,pascal-brand-st-dev/optee_os,chshxi1989/optee_os,cedric-chaumont-st-dev/optee_os,BreezeWu/optee_os,chshxi1989/optee_os,chshxi1989/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,chshxi1989/optee_os