firmware: qcom: tzmem: export devm_qcom_tzmem_pool_new()

EXPORT_SYMBOL_GPL() is missing for devm_qcom_tzmem_pool_new() which
causes build failures with randconfig. Add it and fix the issue.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202406250127.8Pl2kqFp-lkp@intel.com


Fixes: 84f5a7b6 ("firmware: qcom: add a dedicated TrustZone buffer allocator")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Elliot Berman <quic_eberman@quicinc.com>
Link: https://lore.kernel.org/r/20240624190615.36282-1-brgl@bgdev.pl


Signed-off-by: Bjorn Andersson <andersson@kernel.org>