ARM: dts: Enable the kgsl and apps smmu nodes on Kona

Enable the DT nodes for the kgsl smmu, apps smmu
and all the test devices on Kona.

Change-Id: Icc337be35b1a12c2e60180b9a414fbdcae45b2a4
Signed-off-by: Swathi Sridhar <swatsrid@codeaurora.org>