image: Correct load_bug typo

Correct a typo in the function comment for image_decomp().

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/include/image.h b/include/image.h
index 2e3cf83..0fe6785 100644
--- a/include/image.h
+++ b/include/image.h
@@ -936,7 +936,7 @@
  * @load:	Destination load address in U-Boot memory
  * @image_start Image start address (where we are decompressing from)
  * @type:	OS type (IH_OS_...)
- * @load_bug:	Place to decompress to
+ * @load_buf:	Place to decompress to
  * @image_buf:	Address to decompress from
  * @image_len:	Number of bytes in @image_buf to decompress
  * @unc_len:	Available space for decompression