x86: Ensure SPL banner is only shown once

Print the banner in SPL init only if the spl_board_init() function isn't
enabled. The spl_board_init() function is in the same file, but is called
later, by board_init_r().

This avoids printing two banners, which causes tests to fail.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/lib/spl.c b/arch/x86/lib/spl.c
index b9d23e6..f275018 100644
--- a/arch/x86/lib/spl.c
+++ b/arch/x86/lib/spl.c
@@ -97,7 +97,13 @@
 		return ret;
 	}
 #endif
-	preloader_console_init();
+	/*
+	 * spl_board_init() below sets up the console if enabled. If it isn't,
+	 * do it here. We cannot call this twice since it results in a double
+	 * banner and CI tests fail.
+	 */
+	if (!IS_ENABLED(CONFIG_SPL_BOARD_INIT))
+		preloader_console_init();
 #if !defined(CONFIG_TPL) && !CONFIG_IS_ENABLED(CPU)
 	ret = print_cpuinfo();
 	if (ret) {