ramdisk: revert some cleanups

It's just best to keep this in-line with CAF regardless
of whether this is needed or not.

Change-Id: Ibe91d7adee325ee7eb8b62a6e68f14f4675c7725
ramdisk: create directory for display clients

Create a directory '/data/misc/display' to store configuration
files used by display clients.

Change-Id: I20f62ed6a484172b8765455ccc2456b52ef7ffa0
Suppress userspace undefined instructions logs

On 8x10 CONFIG_DEBUG_USER is enabled by default.
This config is printing undefined instruction logs in kernel for
userspaces processes causing excessive logging issues.Suppress
undefined instruction logs in kernel to avoid excessive logging.

Change-Id: I91492619a2549126c6983901e5a5b2a7eb904e33