clk: imx7d: Add PXP clock

The PXP has a single CCGR clock gate, gating both the IPG_CLK_ROOT and
the MAIN_AXI_CLK_ROOT. Add a single clock to cover both.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2 files changed