arm64: dts: qcom: c630: Enable adsp, cdsp and mpss

Specify the firmware-name for the adsp, cdsp and mpss and enable the
nodes.

Reviewed-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>