conf/genconf: replace placeholder in conf/evalsoc/opensbi/evalsoc.c with new soc name to fixup

soc platfrom init missing issue.

Signed-off-by: guibing <guibing@nucleisys.com>

Author: matthewgui

conf/genconf.py

@@ -434,6 +434,7 @@ def update_openocd_config(file_path, **kwargs):
                 os.rename(old_opensbi_file, new_opensbi_file)
                 print(f"Create '{new_opensbi_file}' based on '{old_opensbi_file}'.")
                 replace_in_file(new_opensbi_file, args.refsoc, 'customsoc')
+                replace_in_file(new_opensbi_file, 'placeholder', args.custsoc)
         print("Note: All custom soc should use customsoc.c for nuclei generic soc support")
 
         print("\n>>>Updating uboot config...")