Protection against modified ME repository

Fallback on checking the filename to find instead of throwing an error
if the hash doesn't match.

build_coreboot.sh

@@ -132,7 +132,9 @@ get_and_patch_me_11 () {
             wget -O "$rar_filename" "$DIRECT_LINK"
             sha=$(sha256sum "$rar_filename" | awk '{print $1}')
             if [ "$sha" != "$SKL_ME_RAR_SHA" ]; then
-                die "ME Repository archive has the wrong SHA256 hash"
+                # We'll assume the rar file was updated again
+                me_dirname=$(unrar l "$rar_filename" | grep '\.\.\.D\.\.\.' | tr  -s [:blank:] | cut -d' ' -f 6-)
+                SKL_ME_FULL_FILENAME="$me_dirname/$SKL_ME_FILENAME"
             fi
         fi
         if ! type "$unrar" &> /dev/null; then