intel: Refactor common platform code [2/5]

Share socfpga private definitions and storage driver between Agilex and
Stratix 10 platform.

Signed-off-by: Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I6da147f4d2df4a97c505d4bbcffadf63bc3bf4a5
diff --git a/plat/intel/soc/agilex/platform.mk b/plat/intel/soc/agilex/platform.mk
index f21e842..b523d9c 100644
--- a/plat/intel/soc/agilex/platform.mk
+++ b/plat/intel/soc/agilex/platform.mk
@@ -37,7 +37,7 @@
 		drivers/intel/soc/stratix10/io/s10_memmap_qspi.c	\
 		lib/cpus/aarch64/cortex_a53.S				\
 		plat/intel/soc/agilex/bl2_plat_setup.c			\
-		plat/intel/soc/agilex/socfpga_storage.c			\
+		plat/intel/soc/common/socfpga_storage.c			\
                 plat/intel/soc/common/bl2_plat_mem_params_desc.c	\
 		plat/intel/soc/agilex/soc/agilex_reset_manager.c	\
 		plat/intel/soc/agilex/soc/agilex_clock_manager.c	\