Use PMU counters for Arm Cortex-M85 CPU

Change-Id: Ia884010492ee9858c8c53d8f547954c7ad6e1a71
diff --git a/tflite_micro.cmake b/tflite_micro.cmake
index d0e0c9d..c8665aa 100644
--- a/tflite_micro.cmake
+++ b/tflite_micro.cmake
@@ -165,7 +165,7 @@
 target_link_libraries(tflu PRIVATE cmsis_device)
 target_compile_definitions(tflu PRIVATE ${ARM_CPU})
 
-if("${ARM_CPU}" STREQUAL "ARMCM55")
+if(("${ARM_CPU}" STREQUAL "ARMCM55") OR ("${ARM_CPU}" STREQUAL "ARMCM85"))
     target_compile_definitions(tflu PRIVATE
         ARM_MODEL_USE_PMU_COUNTERS)
 endif()