uboot-phytec

arm: dts: k3-am654-r5-base-board: Drop unneeded OSPI properties

Now that SYSFW would be available before OSPI driver probe, there is no
need to provide fixed dummy clock or delete powerdomains in
for R5 SPL. Therefore drop those lines.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>