drm/amdgpu: fix spelling mistake: "asssert" -> "assert"

Trivial fix to spelling mistake in pr_err error message text

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed