tests: pm: driver_init: use native_posix for testing

Use native_posix, this is a better platform for getting test coverage.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

tests/subsys/pm/device_driver_init/testcase.yaml

diff --git a/tests/subsys/pm/device_driver_init/testcase.yaml b/tests/subsys/pm/device_driver_init/testcase.yaml
index e3e35d9..8920e38 100644
--- a/tests/subsys/pm/device_driver_init/testcase.yaml
+++ b/tests/subsys/pm/device_driver_init/testcase.yaml
@@ -1,16 +1,15 @@
+common:
+  platform_allow:
+    - native_posix
+  tags:
+    - pm
 tests:
-  pm.device_driver_init:
-    tags: pm
-    platform_allow: qemu_cortex_m3
+  pm.device_driver_init: {}
   pm.device_driver_init.pm:
-    tags: pm
-    platform_allow: qemu_cortex_m3
     extra_configs:
       - CONFIG_PM_DEVICE=y
       - CONFIG_PM_DEVICE_POWER_DOMAIN=y
   pm.device_driver_init.pm_device_runtime:
-    tags: pm
-    platform_allow: qemu_cortex_m3
     extra_configs:
       - CONFIG_PM_DEVICE=y
       - CONFIG_PM_DEVICE_POWER_DOMAIN=y