drivers: misc: Fixes: Rename CONFIG_SPL_SOCFPGA_SEC_REG to CONFIG_SPL_SOCFPGA_DT_REG

Commit 3f190c55a4211215914126b74357344342329943
("drivers: misc: Add socfpga_dtreg driver for Intel SoCFPGA")

This commit rename CONFIG_SPL_SOCFPGA_SEC_REG to CONFIG_SPL_SOCFPGA_DT_REG
in Makefile.

Signed-off-by: Wan Yee Lau <wan.yee.lau@intel.com>
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 9e82990..e53d52c 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -91,4 +91,4 @@
 obj-$(CONFIG_ESM_K3) += k3_esm.o
 obj-$(CONFIG_ESM_PMIC) += esm_pmic.o
 obj-$(CONFIG_SL28CPLD) += sl28cpld.o
-obj-$(CONFIG_SPL_SOCFPGA_SEC_REG) += socfpga_dtreg.o
+obj-$(CONFIG_SPL_SOCFPGA_DT_REG) += socfpga_dtreg.o