Merge changes I826b1ec6,I0667ef0e,Ie4481513 into main

* changes:
  Add the list of makefiles that were also included by product config to dumpconfig.
  Add tracing for board config to dumpconfig
  Fix newline for dumpconfig

core/board_config.mk

@@ -237,6 +237,7 @@ else
   .KATI_READONLY := TARGET_DEVICE_DIR
 endif
 
+$(call dump-phase-start,BOARD,,,, build/make/core/board_config.mk)
 ifndef RBC_PRODUCT_CONFIG
 include $(board_config_mk)
 else
@@ -261,6 +262,7 @@ else
 
   include $(OUT_DIR)/rbc/rbc_board_config_results.mk
 endif
+$(call dump-phase-end, build/make/core/board_config.mk)
 
 ifneq (,$(and $(TARGET_ARCH),$(TARGET_ARCH_SUITE)))
   $(error $(board_config_mk) erroneously sets both TARGET_ARCH and TARGET_ARCH_SUITE)

core/dumpconfig.mk

@@ -56,7 +56,7 @@ BUILD_DATETIME_FILE := $(OUT_DIR)/build_date.txt
 
 # Escape quotation marks for CSV, and wraps in quotation marks.
 define escape-for-csv
-"$(subst ","",$1)"
+"$(subst ","",$(subst $(newline), ,$1))"
 endef
 
 # Args:
@@ -68,7 +68,7 @@ endef
 # Args:
 #   $(1): include stack
 define dump-import-done
-$(eval $(file >> $(DUMPCONFIG_FILE),imported,$(strip $(1))))
+$(eval $(file >> $(DUMPCONFIG_FILE),imported,$(strip $(1)),$(filter-out $(1),$(MAKEFILE_LIST))))
 endef
 
 # Args: