ARM: rmobile: Update H2 Lager

The H2 Lager port was broken since some time. This patch updates
the H2 Lager port to use modern frameworks, DM, DT probing, SPL
for the preloading and puts it on par with the M2 Porter board.

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 a8835f6..d8c6a8b 100644
--- a/arch/arm/mach-rmobile/Kconfig.32
+++ b/arch/arm/mach-rmobile/Kconfig.32
@@ -55,6 +55,9 @@
 	bool "Lager board"
 	select DM
 	select DM_SERIAL
+	select SUPPORT_SPL
+	select USE_TINY_PRINTF
+	select SPL_TINY_MEMSET
 
 config TARGET_KZM9G
 	bool "KZM9D board"