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/stratix10/platform.mk b/plat/intel/soc/stratix10/platform.mk
index b7c70ff..d1ff077 100644
--- a/plat/intel/soc/stratix10/platform.mk
+++ b/plat/intel/soc/stratix10/platform.mk
@@ -34,7 +34,7 @@
 		drivers/gpio/gpio.c					\
 		drivers/intel/soc/stratix10/io/s10_memmap_qspi.c	\
 		plat/intel/soc/stratix10/bl2_plat_setup.c		\
-		plat/intel/soc/stratix10/plat_storage.c			\
+		plat/intel/soc/common/socfpga_storage.c			\
                 plat/intel/soc/common/bl2_plat_mem_params_desc.c	\
 		plat/intel/soc/stratix10/soc/s10_reset_manager.c	\
 		plat/intel/soc/common/soc/socfpga_handoff.c		\