Replace PHONE_CAR_BOARD_CONFIG with more specific PHONE_CAR_BOARD_PRODUCT am: 721e015b18

Original change: https://android-review.googlesource.com/c/device/google/crosshatch/+/1910271

Change-Id: I722b8adfa0dd5b189b431ad958adfb7439a2f80c
diff --git a/blueline/BoardConfig.mk b/blueline/BoardConfig.mk
index b990896..1736bc6 100644
--- a/blueline/BoardConfig.mk
+++ b/blueline/BoardConfig.mk
@@ -14,8 +14,8 @@
 # limitations under the License.
 #
 
-ifdef PHONE_CAR_BOARD_CONFIG
-  include $(PHONE_CAR_BOARD_CONFIG)
+ifdef PHONE_CAR_BOARD_PRODUCT
+  include device/google_car/$(PHONE_CAR_BOARD_PRODUCT)/BoardConfig.mk
 else
   TARGET_BOOTLOADER_BOARD_NAME := blueline
   TARGET_SCREEN_DENSITY := 440
diff --git a/crosshatch/BoardConfig.mk b/crosshatch/BoardConfig.mk
index 828afd9..de92096 100644
--- a/crosshatch/BoardConfig.mk
+++ b/crosshatch/BoardConfig.mk
@@ -14,8 +14,8 @@
 # limitations under the License.
 #
 
-ifdef PHONE_CAR_BOARD_CONFIG
-  include $(PHONE_CAR_BOARD_CONFIG)
+ifdef PHONE_CAR_BOARD_PRODUCT
+  include device/google_car/$(PHONE_CAR_BOARD_PRODUCT)/BoardConfig.mk
 else
   TARGET_BOOTLOADER_BOARD_NAME := crosshatch
   TARGET_SCREEN_DENSITY := 560