firmware: qcom: scm: make qcom_scm_qseecom_app_get_id() use the TZ allocator

firmware: qcom: scm: make qcom_scm_qseecom_app_get_id() use the TZ allocator

Let's use the new TZ memory allocator to obtain a buffer for this call
instead of manually kmalloc()ing it and then mapping to physical space.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Tested-by: Deepti Jaggi <quic_djaggi@quicinc.com> #sa8775p-ride
Reviewed-by: Elliot Berman <quic_eberman@quicinc.com>
Link: https://lore.kernel.org/r/20240527-shm-bridge-v10-8-ce7afaa58d3a@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>