tools: binman: Call correct init for Entry_u_boot_spl_with_ucode_ptr

u_boot_spl_with_ucode_ptr is derived from u_boot_with_ucode_ptr,
hence it should call its parent's init.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/etype/u_boot_spl_with_ucode_ptr.py b/tools/binman/etype/u_boot_spl_with_ucode_ptr.py
index 764c282..1c6706d 100644
--- a/tools/binman/etype/u_boot_spl_with_ucode_ptr.py
+++ b/tools/binman/etype/u_boot_spl_with_ucode_ptr.py
@@ -21,7 +21,7 @@
     process.
     """
     def __init__(self, image, etype, node):
-        Entry_blob.__init__(self, image, etype, node)
+        Entry_u_boot_with_ucode_ptr.__init__(self, image, etype, node)
         self.elf_fname = 'spl/u-boot-spl'
 
     def GetDefaultFilename(self):