workflows: debos: Use platform names for flash dirs

Signed-off-by: Loïc Minier <loic.minier@oss.qualcomm.com>

Author: lool

.github/workflows/debos.yml

@@ -105,11 +105,11 @@ jobs:
           tar -cvf "${dir}"/flash-ufs.tar.gz \
               disk-ufs.img1 \
               disk-ufs.img2 \
-              flash_rb3*
+              flash_qcs6490-*
           tar -cvf "${dir}"/flash-emmc.tar.gz \
               disk-sdcard.img1 \
               disk-sdcard.img2 \
-              flash_rb1*
+              flash_qrb2210-*
 
       - name: Upload private artifacts
         uses: qualcomm-linux/upload-private-artifact-action@v1