Fix display resources build

qstrdefs.generated.h no longer includes the translated strings.
So, use the .po file directly.

Author: tannewt

supervisor/supervisor.mk

@@ -156,7 +156,7 @@ ifeq ($(CIRCUITPY_DISPLAYIO), 1)
     supervisor/shared/display.c
 
   ifeq ($(CIRCUITPY_TERMINALIO), 1)
-    SUPERVISOR_O += $(BUILD)/autogen_display_resources.o
+    SUPERVISOR_O += $(BUILD)/autogen_display_resources-$(TRANSLATION).o
   endif
 endif
 
@@ -194,10 +194,10 @@ $(BUILD)/supervisor/shared/translate/translate.o: $(HEADER_BUILD)/qstrdefs.gener
 
 CIRCUITPY_DISPLAY_FONT ?= "../../tools/fonts/ter-u12n.bdf"
 
-$(BUILD)/autogen_display_resources.c: ../../tools/gen_display_resources.py $(HEADER_BUILD)/qstrdefs.generated.h Makefile | $(HEADER_BUILD)
+$(BUILD)/autogen_display_resources-$(TRANSLATION).c: ../../tools/gen_display_resources.py $(TOP)/locale/$(TRANSLATION).po Makefile | $(HEADER_BUILD)
 	$(STEPECHO) "GEN $@"
 	$(Q)install -d $(BUILD)/genhdr
 	$(Q)$(PYTHON) ../../tools/gen_display_resources.py \
 		--font $(CIRCUITPY_DISPLAY_FONT) \
-		--sample_file $(HEADER_BUILD)/qstrdefs.generated.h \
-		--output_c_file $(BUILD)/autogen_display_resources.c
+		--sample_file $(TOP)/locale/$(TRANSLATION).po \
+		--output_c_file $(BUILD)/autogen_display_resources-$(TRANSLATION).c