ci: Change TF-M log level

Change the log level of TF-M so that the message that the CI is looking
for appears in the output.

Signed-off-by: Fabio Utzig <utzig@apache.org>
Change-Id: I763ccef4aaf6158ed578b230096f595a1e5cbfd9
Signed-off-by: Mate Toth-Pal <mate.toth-pal@arm.com>

ci/fih_test_docker/execute_test.sh

@@ -37,6 +37,7 @@ fi
 mkdir -p $TFM_BUILD_DIR
 cd $TFM_DIR
 cmake -B $TFM_BUILD_DIR \
+    -DTFM_SPM_LOG_LEVEL=TFM_SPM_LOG_LEVEL_INFO \
     -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
     -DTFM_TOOLCHAIN_FILE=toolchain_GNUARM.cmake \
     -DTFM_PLATFORM=arm/mps2/an521 \