ARCv2: [vdk] dts files and defconfig for HS38 VDK

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Revert "ARC: Add defconfig and DTS for VDK"

This is obsoleted by the prev patch

This reverts commit b97a44cc35bc2d766c87c9fa41730da1f3a8b4f0.
ARCv2: [vdk] additional labels/instrumentation for OS-Kit (Linux aware tracing)

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: noramfs defconfig no longer needed

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>