[ Upstream commit 775800b0f1d7303d4fd8ce0e0d9eca4ff2f338f2 ]

Fix compilation error.
Signed-off-by: NDavid Abdurachmanov <david.abdurachmanov@gmail.com>
Signed-off-by: NPalmer Dabbelt <palmer@sifive.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>