ARM: rmobile: Convert TPL to SPL

There is currently no use for building the SPL anymore, since the
SPI loader can easily be replaced by TPL and TPL does load U-Boot
directly. Upgrade TPL to SPL and replace what used to be SPL with
it. This way we build the U-Boot sources only twice, not thrice.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/configs/stout.h b/include/configs/stout.h
index 226bea8..228cb55 100644
--- a/include/configs/stout.h
+++ b/include/configs/stout.h
@@ -56,13 +56,11 @@
 	"initrd_high=0xffffffff\0"
 
 /* SPL support */
-#define CONFIG_SPL_TEXT_BASE		0xe6304000
+#define CONFIG_SPL_TEXT_BASE		0xe6300000
 #define CONFIG_SPL_STACK		0xe6340000
-#define CONFIG_SPL_MAX_SIZE		0x40000
+#define CONFIG_SPL_MAX_SIZE		0x4000
 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x140000
-
-/* TPL support */
-#ifdef CONFIG_TPL_BUILD
+#ifdef CONFIG_SPL_BUILD
 #define CONFIG_CONS_SCIFA0
 #define CONFIG_SH_SCIF_CLK_FREQ		52000000
 #endif