Enable address sanitizer

The last bugs have been fixed, and a test run built with ASAN is
not finding any issues on qtbase, so it is ready to be part of CI.

Fixes: QTQAINFRA-5025
Change-Id: I1905daaf5b19b41d8daa3f2c47958515b4afaded
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

coin/platform_configs/qtbase.yaml

@@ -4,6 +4,7 @@ Include: [
     cmake_platforms_static_tests.yaml,
     integrity.yaml,
     ios-tests.yaml,
+    address_sanitizer_platforms.yaml,
     linux_android_tests.yaml
 ]
 Configurations: []