tests/functional: migrate aspeed_rainier image

Cedric has a host for the file which allows us to keep the name.

Cc: qemu-stable@nongnu.org
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-id: 20260113135941.3361163-1-alex.bennee@linaro.org
Cc: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

tests/functional/arm/test_aspeed_rainier.py

@@ -9,10 +9,8 @@ from aspeed import AspeedTest
 
 class RainierMachine(AspeedTest):
 
-    ASSET_RAINIER_EMMC = Asset(
-        ('https://fileserver.linaro.org/s/B6pJTwWEkzSDi36/download/'
-         'mmc-p10bmc-20240617.qcow2'),
-        'd523fb478d2b84d5adc5658d08502bc64b1486955683814f89c6137518acd90b')
+    ASSET_RAINIER_EMMC = Asset('https://kaod.org/qemu/aspeed/rainier/mmc-p10bmc-20240617.qcow2',
+                               'd523fb478d2b84d5adc5658d08502bc64b1486955683814f89c6137518acd90b')
 
     def test_arm_aspeed_emmc_boot(self):
         self.set_machine('rainier-bmc')