x86: Drop the unnecessary base_ptr argument to zboot_dump()

This value is include the bootm_info, so drop the unnecessary parameter.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/bootflow.c b/cmd/bootflow.c
index da17fd9..6d0be32 100644
--- a/cmd/bootflow.c
+++ b/cmd/bootflow.c
@@ -385,7 +385,8 @@
 		bootm_init(&bmi);
 		/* we don't know this at present */
 		bootm_x86_set(&bmi, bzimage_addr, 0);
-		zimage_dump(&bmi, bflow->x86_setup, false);
+		bootm_x86_set(&bmi, base_ptr, bflow->x86_setup);
+		zimage_dump(&bmi, false);
 
 		return 0;
 	}
diff --git a/cmd/x86/zboot.c b/cmd/x86/zboot.c
index 029ff4e..ee099ca 100644
--- a/cmd/x86/zboot.c
+++ b/cmd/x86/zboot.c
@@ -103,15 +103,13 @@
 static int do_zboot_dump(struct cmd_tbl *cmdtp, int flag, int argc,
 			 char *const argv[])
 {
-	struct boot_params *base_ptr = bmi.base_ptr;
-
 	if (argc > 1)
-		base_ptr = (void *)hextoul(argv[1], NULL);
-	if (!base_ptr) {
+		bmi.base_ptr = (void *)hextoul(argv[1], NULL);
+	if (!bmi.base_ptr) {
 		printf("No zboot setup_base\n");
 		return CMD_RET_FAILURE;
 	}
-	zimage_dump(&bmi, base_ptr, true);
+	zimage_dump(&bmi, true);
 
 	return 0;
 }