linux-next-20180601: build error in arch/arm64/kvm/hyp/hyp-entry.S

Hi,

i can't build todays linux-next-20180601 and get the following error message:

arch/arm64/kvm/hyp/hyp-entry.S: Assembler messages:
arch/arm64/kvm/hyp/hyp-entry.S:128: Error: constant expression required at operand 3 -- `bfi x0,x1,#VCPU_WORKAROUND_2_FLAG_SHIFT,#1'

Related commit:
arm64: KVM: Handle guest's ARCH_WORKAROUND_2 requests

Toolchain: gcc-linaro-7.2.1-2017.11-x86_64_aarch64-linux-gnu
Kernel config: arm64/defconfig

Regards
Stefan