HACK: arm64: dts: ti: k3-am62p-wakeup: Mark wkup_conf as syscon/simple-mfd compatible

commit c57574925da35f9f3e5733fae102381723f23172 from
git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git



Mark wkup_conf as syscon/simple-mfd until users of these nodes are moved
away from the same. These include CPUFREQ and USB drivers.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Xulin Sun <xulin.sun@windriver.com>