check_logs.py: Fix fetch_dtb() after refactoring

I failed to notice that the "dtbs" folder is needed in the URL too,
which breaks downloading the dtb. Pull the common path into its own
variable so that it is more obvious how this is expected to work.

Signed-off-by: Nathan Chancellor <[email protected]>

Author: nathanchance

check_logs.py

@@ -112,8 +112,9 @@ def fetch_dtb(build):
         "multi_v5_defconfig": "aspeed-bmc-opp-palmetto.dtb",
         "aspeed_g5_defconfig": "aspeed-bmc-opp-romulus.dtb",
     }[config]
-    (dtb_path := Path(CI_ROOT, 'dtbs', dtb)).parent.mkdir(exist_ok=True)
-    url = build["download_url"] + dtb_path.name
+    remote_dtb_path = f"dtbs/{dtb}"
+    (dtb_path := Path(CI_ROOT, remote_dtb_path)).parent.mkdir(exist_ok=True)
+    url = build["download_url"] + remote_dtb_path
     _fetch("DTB", url, dtb_path)