Add script to update references of rgbasm tests

Update test references.

Signed-off-by: AntonioND <antonio_nd@outlook.com>

test/asm/update-refs.sh

@@ -0,0 +1,8 @@
+fname=$(mktemp)
+
+for i in *.asm; do
+	../../rgbasm $i >$fname 2>&1
+	mv -f $fname ${i%.asm}.out
+done
+
+exit 0