modules: tf-m: fix CMake formatting

Fix formatting errors that cause CI to complain.

Signed-off-by: Jordan Yates <jordan@embeint.com>

Author: JordanYates

modules/trusted-firmware-m/CMakeLists.txt

@@ -319,8 +319,8 @@ if(CONFIG_BUILD_WITH_TFM)
     # number of parallel jobs to 1.
     set(PARALLEL_JOBS -j 1)
   else()
-	# Leave PARALLEL_JOBS unset and use the default number of
-	# threads. Which is num_cores+2 on Ninja and MAKEFLAGS with Make.
+    # Leave PARALLEL_JOBS unset and use the default number of
+    # threads. Which is num_cores+2 on Ninja and MAKEFLAGS with Make.
   endif()
 
   set(tfm_image_info MAP "name: tfm, source-dir: ${ZEPHYR_TRUSTED_FIRMWARE_M_MODULE_DIR}")