RTEMS | microblaze: harden stdout-path parsing for console (!981)

[Kinsey Moore (@opticron)]

Kinsey Moore started a new discussion on bsps/microblaze/microblaze_fpga/console/console-io.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/981#note_141779

 >    }
 >  
 > -  len = q - console;
 > +  node_path = path;
 > +  /* Resolve alias (e.g. "serial0") into an absolute path. */
 > +  if ( path[0] != '/' ) {
 > +    node_path = fdt_get_alias_namelen( fdt, path, strlen( path ) );
 > +    if ( node_path == NULL ) {
 > +      return 0;
 > +    }
 > +  }
 >  
 > -  /* Get the node specified by stdout-path */
 > -  offset = fdt_path_offset_namelen( fdt, console, len );
 > +  /* Find the console node using the resolved path. */
 > +  int offset = fdt_path_offset( fdt, node_path );

Variable definitions should remain at the top of the block. Same for `char *q` above.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/981#note_141779
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