axolotl: Migrate to restructured sepolicy_vndr

The new folder structure now looks like this:

  device/qcom/sepolicy_vndr
  ├─ legacy-um (meant for sdm845 until sm8350)
  ├─ sm8450
  └─ sm8550

SEPolicy.mk placed in the root automatically redirects devices to the
proper subfolder.

Change-Id: I4ed1a06af779909d64172da294c4a99a3ae9ba0d
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 6972630..1801188 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -188,7 +188,7 @@
 VENDOR_SECURITY_PATCH := 2023-10-05
 
 # SELinux
-include device/qcom/sepolicy_vndr-legacy-um/SEPolicy.mk
+include device/qcom/sepolicy_vndr/SEPolicy.mk
 BOARD_VENDOR_SEPOLICY_DIRS += $(DEVICE_PATH)/sepolicy/vendor
 
 # Treble