firmware: qcom: tzmem: disable sdm670 platform

The Pixel 3a returns 4291821499 (-3145797 or 0xFFCFFFBB) when attempting
to load the GPU firmware if tzmem is allowed. Disable it on SDM670 so
the GPU can successfully probe.
Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240730013834.41840-2-mailingradian@gmail.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

drivers/firmware/qcom/qcom_tzmem.c

@@ -77,6 +77,7 @@ static bool qcom_tzmem_using_shm_bridge;
 /* List of machines that are known to not support SHM bridge correctly. */
 static const char *const qcom_tzmem_blacklist[] = {
 	"qcom,sc8180x",
+	"qcom,sdm670", /* failure in GPU firmware loading */
 	"qcom,sdm845", /* reset in rmtfs memory assignment */
 	"qcom,sm8150", /* reset in rmtfs memory assignment */
 	NULL