sunxi: H616: add DRAM type selection

Allwinner H616 SoC supports several types of DRAM memory. To further
integrate other types of memory, we need to add this delimitation.

Signed-off-by: Mikhail Kalashnikov <iuncuim@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/configs/orangepi_zero2_defconfig b/configs/orangepi_zero2_defconfig
index 4178ee6..f13735e 100644
--- a/configs/orangepi_zero2_defconfig
+++ b/configs/orangepi_zero2_defconfig
@@ -7,6 +7,7 @@
 CONFIG_DRAM_SUN50I_H616_CA_DRI=0x0e0e
 CONFIG_DRAM_SUN50I_H616_TPR10=0xf83438
 CONFIG_MACH_SUN50I_H616=y
+CONFIG_SUNXI_DRAM_H616_DDR3_1333=y
 CONFIG_R_I2C_ENABLE=y
 CONFIG_SPL_SPI_SUNXI=y
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set