Improve the Sonata run message.

If we can't automatically install the Sonata firmware, copy it to the
correct name and then tell people to install it.

scripts/run-sonata.sh

diff --git a/scripts/run-sonata.sh b/scripts/run-sonata.sh
index 99f8a6e..fc4238f 100755
--- a/scripts/run-sonata.sh
+++ b/scripts/run-sonata.sh
@@ -36,4 +36,6 @@
 try_copy /run/media/
 try_copy /mnt/
 
-echo "Please copy $(pwd)/${FIRMWARE_ELF}.uf2 to the SONATA drive to load."
+cp ${FIRMWARE_ELF}.uf2 firmware.uf2
+
+echo "Please copy $(pwd)/firmware.uf2 to the SONATA drive to load."