drivers: misc: Makefile: Enable fs_loader compilation at SPL Level

Enable fs_loader compilation at SPL Level.

Signed-off-by: Keerthy <j-keerthy@ti.com>
[Amjad: fix compilation failures for J721e platform]
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
diff --git a/configs/socfpga_arria10_defconfig b/configs/socfpga_arria10_defconfig
index cd1c68a..ad1bdbe 100644
--- a/configs/socfpga_arria10_defconfig
+++ b/configs/socfpga_arria10_defconfig
@@ -41,6 +41,7 @@
 CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_DWAPB_GPIO=y
 CONFIG_FS_LOADER=y
+CONFIG_SPL_FS_LOADER=y
 CONFIG_MMC_DW=y
 CONFIG_MTD=y
 CONFIG_PHY_MICREL=y