Add the missing usdhc2 root clock to 200MHz to be able to support
SDR104 mode for SD-Card on phyBOARD-Pollux-i.MX8MP.
Signed-off-by: Jonas Kuenstler <j.kuenstler@phytec.de>
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>