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

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>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>