update px4_fmu-v5_default cmake config with the new driver

ASM3 · ASM3 · commit 080e04b59ba0 · 2021-04-14T16:16:39.000+02:00
diff --git a/boards/px4/fmu-v5/default.cmake b/boards/px4/fmu-v5/default.cmake
@@ -50,6 +50,7 @@ px4_add_board(
 		roboclaw
 		rpm
 		safety_button
+        si7210
 		telemetry # all available telemetry drivers
 		test_ppm
 		tone_alarm
