scripts/dtc: generate lexer and parser during build instead of shipping

Now that the kernel build supports flex and bison, remove the _shipped files and generate them during the build instead. Based on Masahiro's original patch. Reviewed-by: Masahiro Yamada <[email protected]> Signed-off-by: Rob Herring <[email protected]>
deebot · Mar 6, 2018 · e039139 · e039139
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commit e039139
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Showing 5 changed files with 5 additions and 4,713 deletions.
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
@@ -28,5 +28,7 @@ HOSTCFLAGS_dtc-parser.tab.o := $(HOSTCFLAGS_DTC)
 # dependencies on generated files need to be listed explicitly
 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
 
-# generated files need to be cleaned explicitly
-clean-files	:= dtc-lexer.lex.c dtc-parser.tab.c dtc-parser.tab.h
+# generated files need to include *.cmd and be cleaned explicitly
+generated-files	:= dtc-lexer.lex.c dtc-parser.tab.c dtc-parser.tab.h
+targets		:= $(generated-files)
+clean-files	:= $(generated-files)