Revert "omap: ramconsole: set ramconsole start address as 256MB"

This reverts commit 39bc3af06a68837b9d45720748dec07f41614b56.
Revert "Revert "rpmsg: resmgr: use absolute inputs for auxclk rates""

This reverts commit eeb2e0ada82119d3f2571bc731725624f6451a77.
Fix auxclk rates for tuna