Merge changes from topic "nxp-s32g2/add-xbar-clk" into integration

* changes:
  feat(nxp-clk): enable the XBAR clock
  feat(nxp-clk): add dependencies for the XBAR clock
  feat(nxp-clk): add CGM0 instance
  feat(nxp-clk): add DFS module enablement
  feat(nxp-clk): add clock objects for ARM DFS
  refactor(nxp-clk): organize early clocks in groups