ARM: rmobile: Shrink the TPL

Shrink the TPL by using tiny printf and tiny memset by default.
This removes the biggest symbol -- vsnprintf_internal -- from
the TPL and reduces the text segment by about 2 kiB.

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 37e0cba..d5b00ef 100644
--- a/arch/arm/mach-rmobile/Kconfig.32
+++ b/arch/arm/mach-rmobile/Kconfig.32
@@ -73,6 +73,8 @@
 	select SUPPORT_TPL
 	select SUPPORT_SPL
 	select SPL_DM if SPL
+	select USE_TINY_PRINTF
+	select TPL_TINY_MEMSET
 
 config TARGET_STOUT
 	bool "Stout board"
@@ -81,6 +83,8 @@
 	select SUPPORT_TPL
 	select SUPPORT_SPL
 	select SPL_DM if SPL
+	select USE_TINY_PRINTF
+	select TPL_TINY_MEMSET
 
 endchoice