feat(nxp-drivers): add clock skeleton for s32cc

The S32CC is an umbrella for S32G2, S32G3 and S32R45 SoCs; therefore,
this clock driver will be used for all of these families.

Change-Id: Iede5371b212b67cf494a033c62fbfdcbe9b1a879
Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
diff --git a/docs/about/maintainers.rst b/docs/about/maintainers.rst
index 85cc612..cbed72f 100644
--- a/docs/about/maintainers.rst
+++ b/docs/about/maintainers.rst
@@ -767,6 +767,7 @@
 :|M|: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
 :|G|: `gprocopciucnxp`_
 :|F|: docs/plat/s32g274a.rst
+:|F|: drivers/nxp/clk/s32cc
 :|F|: drivers/nxp/console/linflex_console.S
 :|F|: include/drivers/nxp/console/linflex.h
 :|F|: plat/nxp/s32