Adds compatible for SoCs which use clockgen, the SoCs are LS1043A,
LS1046A, LS2080A.
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>