--- zzzz-none-000/linux-4.4.60/arch/arm64/kernel/Makefile	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/arch/arm64/kernel/Makefile	2021-02-04 17:41:59.000000000 +0000
@@ -17,7 +17,7 @@
 			   hyp-stub.o psci.o psci-call.o cpu_ops.o insn.o	\
 			   return_address.o cpuinfo.o cpu_errata.o		\
 			   cpufeature.o alternative.o cacheinfo.o		\
-			   smp.o smp_spin_table.o topology.o
+			   smp.o smp_spin_table.o topology.o smccc-call.o
 
 extra-$(CONFIG_EFI)			:= efi-entry.o