ARM: dts: arm: Update ICST clock nodes 'reg' and node names

ARM: dts: arm: Update ICST clock nodes 'reg' and node names

Add a 'reg' entry for ICST clock nodes on the Arm Ltd platforms. The 'reg'
entry is the VCO register address. With this, the node name can be updated
to use a generic node name, 'clock-controller', and a unit-address.

Signed-off-by: Rob Herring <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Cc: Linus Walleij <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]'
Signed-off-by: Arnd Bergmann <[email protected]>