imx9: scmi: add i.MX95 SoC and clock related code

This patch adds i.MX95 SoC and clock related code. Because they are
based on SCMI, put them in the scmi subfolder.

Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Ji Luo <ji.luo@nxp.com>
Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
10 files changed