arm64: dts: qcom: sm8250: camss: Add CCI definitions

sm8250 has two CCI busses with two I2C busses apiece.

Co-developed-by: Julian Grahsl <jgrahsl@snap.com>
Signed-off-by: Julian Grahsl <jgrahsl@snap.com>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220415164655.1679628-4-bryan.odonoghue@linaro.org