ARM: UniPhier: add empty lowlevel_init to U-boot proper

To remove the ifdef conditional of CONFIG_SKIP_LOWLEVEL_INIT,
add late_lowlevel_init.S to U-Boot proper.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/mach-uniphier/Makefile

@@ -12,6 +12,7 @@ obj-y += ddrphy_training.o
 
 else
 
+obj-y += late_lowlevel_init.o
 obj-$(CONFIG_BOARD_EARLY_INIT_F) += board_early_init_f.o
 obj-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o
 obj-$(CONFIG_MISC_INIT_F) += print_misc_info.o

arch/arm/mach-uniphier/late_lowlevel_init.S

+/*
+ * Copyright (C) 2015 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+ENTRY(lowlevel_init)
+	mov	pc, lr
+ENDPROC(lowlevel_init)

include/configs/uniphier.h

@@ -276,10 +276,6 @@
 #define CONFIG_SPL_TEXT_BASE		0x00100000
 #endif
 
-#ifndef CONFIG_SPL_BUILD
-#define CONFIG_SKIP_LOWLEVEL_INIT
-#endif
-
 #define CONFIG_SPL_STACK		(0x0ff08000)
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE)