Add back updated dwarves packages and disable parallel build

common/tools/dwarves/patches/100-reproducible-builds.patch

@@ -0,0 +1,12 @@
+--- a/pahole.c
++++ b/pahole.c
+@@ -3681,6 +3681,9 @@ int main(int argc, char *argv[])
+ 		goto out;
+ 	}
+ 
++	if (getenv("SOURCE_DATE_EPOCH") || getenv("KBUILD_BUILD_TIMESTAMP"))
++		conf_load.reproducible_build = true;
++
+ 	if (dwarves__init()) {
+ 		fputs("pahole: insufficient memory\n", stderr);
+ 		goto out;