Revert "board-ancora: Cleanup ION/PMEM and PMEM EBIO heap"

This reverts commit ac1900ef98445e2fabfaae8f927057ff21eeee70.
board-ancora: Cleanup PMEM EBIO heap

PMEM EBIO heap: Adds extra 6MB, seems to be unused.
board-ancora: revise memory allocation

no more ion run out memory when using this new RAM allocation
now 354mb ram available

Signed-off-by: hurtsky <sabmar_com@msn.com>