arm: sunxi: Enable DRAM ODT by default on H3/H5

Most of the boards we support with H3/H5 enable DRAM on-die termination,
which is consistent with the high DRAM clocks that are used.

Make it the default (like it's done for other similar platforms) instead
of defining it in each defconfig.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index aa8c2a4..8110f23 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -439,6 +439,7 @@
 config DRAM_ODT_EN
 	bool "sunxi dram odt enable"
 	default y if MACH_SUN8I_A23
+	default y if MACH_SUNXI_H3_H5
 	default y if MACH_SUN8I_R40
 	default y if MACH_SUN50I
 	default y if MACH_SUN50I_H6