Move pvmfw.img to PREBUILT_IMAGES temporarily

Move the image to PREBUILT_IMAGES to avoid breaking release key signing.

Bug: 216975821
Test: -
Change-Id: I686c6fec73a8383c10b17ab2af90767311cbae78
diff --git a/core/Makefile b/core/Makefile
index 4f7eb23..dbd2803 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -3647,7 +3647,7 @@
 
 ifdef BOARD_PREBUILT_PVMFWIMAGE
 PREBUILT_PVMFWIMAGE_TARGET := $(BOARD_PREBUILT_PVMFWIMAGE)
-else ifeq ($(BUILDING_PVMFW_IMAGE),true)
+else
 PREBUILT_PVMFWIMAGE_TARGET := $(INTERNAL_PREBUILT_PVMFWIMAGE)
 endif
 
@@ -5542,12 +5542,9 @@
 	$(hide) mkdir -p $(zip_root)/PREBUILT_IMAGES
 	$(hide) cp $(INSTALLED_DTBOIMAGE_TARGET) $(zip_root)/PREBUILT_IMAGES/
 endif # BOARD_PREBUILT_DTBOIMAGE
-ifdef BOARD_PREBUILT_PVMFWIMAGE
+ifeq ($(BOARD_USES_PVMFWIMAGE),true)
 	$(hide) mkdir -p $(zip_root)/PREBUILT_IMAGES
 	$(hide) cp $(INSTALLED_PVMFWIMAGE_TARGET) $(zip_root)/PREBUILT_IMAGES/
-else ifeq ($(BUILDING_PVMFW_IMAGE),true)
-	$(hide) mkdir -p $(zip_root)/IMAGES
-	$(hide) cp $(INSTALLED_PVMFWIMAGE_TARGET) $(zip_root)/IMAGES/
 endif
 ifdef BOARD_PREBUILT_BOOTLOADER
 	$(hide) mkdir -p $(zip_root)/IMAGES