[arch][arm64] Fix compile error on DSB
[arch][arm64] Fix compile error on DSB

Add sy argument

Change-Id: Ib71ec52402645d7f80d23184bd8ebee70a401217

littlekernel/lk,GCrean/lk,travisg/lk,ErikCorryGoogle/lk,GCrean/lk,srodrig1/lk,minglun-tsai/lk,hollanderic/lkstuff,travisg/lk,hollanderic/lkstuff,sndnvaps/lk,grub4android/lk,GCrean/lk,minglun-tsai/lk,minglun-tsai/lk,sndnvaps/lk,travisg/lk,littlekernel/lk,minglun-tsai/lk,travisg/lk,GCrean/lk,grub4android/lk,littlekernel/lk,srodrig1/lk,hollanderic/lkstuff,srodrig1/lk,hollanderic/lkstuff,nvll/lk,ErikCorryGoogle/lk,sndnvaps/lk,sndnvaps/lk,nvll/lk,grub4android/lk,nvll/lk,nvll/lk,srodrig1/lk,GCrean/lk,littlekernel/lk,skabet/lk,grub4android/lk,ErikCorryGoogle/lk,sndnvaps/lk,skabet/lk,skabet/lk,nvll/lk,grub4android/lk,skabet/lk,skabet/lk,srodrig1/lk,ErikCorryGoogle/lk