sunxi: parameterize H616 DRAM ODT values

While ODT values for same memory type are similar, they are not
necessary the same. Let's parameterize them and make parameter same as
in vendor DRAM settings. That way it will be easy to introduce new board
support.

Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 6417aee..14fb9a9 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -83,6 +83,21 @@
 	---help---
 	  Select this when DRAM on your H616 board needs this unknown
 	  feature.
+
+config DRAM_SUN50I_H616_DX_ODT
+	hex "H616 DRAM DX ODT parameter"
+	help
+	  DX ODT value from vendor DRAM settings.
+
+config DRAM_SUN50I_H616_DX_DRI
+	hex "H616 DRAM DX DRI parameter"
+	help
+	  DX DRI value from vendor DRAM settings.
+
+config DRAM_SUN50I_H616_CA_DRI
+	hex "H616 DRAM CA DRI parameter"
+	help
+	  CA DRI value from vendor DRAM settings.
 endif
 
 config SUN6I_PRCM