ddr: altera: agilex: Add SDRAM driver for Agilex

Add SDRAM driver for Agilex SoC.

Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
diff --git a/drivers/ddr/altera/Makefile b/drivers/ddr/altera/Makefile
index eb8da13b..39dfee5 100644
--- a/drivers/ddr/altera/Makefile
+++ b/drivers/ddr/altera/Makefile
@@ -10,4 +10,5 @@
 obj-$(CONFIG_TARGET_SOCFPGA_GEN5) += sdram_gen5.o sequencer.o
 obj-$(CONFIG_TARGET_SOCFPGA_ARRIA10) += sdram_arria10.o
 obj-$(CONFIG_TARGET_SOCFPGA_STRATIX10) += sdram_soc64.o sdram_s10.o
+obj-$(CONFIG_TARGET_SOCFPGA_AGILEX) += sdram_soc64.o sdram_agilex.o
 endif