This feature delete the unmap memory region of the eMMC card, by writing to a specific register in the EXT_CSD unmap region is the memory region that were previously deleted (by erase, trim or discard operation) Change-Id: I7f1df8e87fb782979fd90e064eca00704caca54b Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Maya Erez <merez@codeaurora.org>