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/arch/arm/mach-rmobile/Kconfig.32 b/arch/arm/mach-rmobile/Kconfig.32
index d5b00ef..bcadb21 100644
--- a/arch/arm/mach-rmobile/Kconfig.32
+++ b/arch/arm/mach-rmobile/Kconfig.32
@@ -70,21 +70,17 @@
 	bool "Porter board"
 	select DM
 	select DM_SERIAL
-	select SUPPORT_TPL
 	select SUPPORT_SPL
-	select SPL_DM if SPL
 	select USE_TINY_PRINTF
-	select TPL_TINY_MEMSET
+	select SPL_TINY_MEMSET
 
 config TARGET_STOUT
 	bool "Stout board"
 	select DM
 	select DM_SERIAL
-	select SUPPORT_TPL
 	select SUPPORT_SPL
-	select SPL_DM if SPL
 	select USE_TINY_PRINTF
-	select TPL_TINY_MEMSET
+	select SPL_TINY_MEMSET
 
 endchoice