Revert "aries-common: zRAM: only read one page at a time"

There is a non-boot issue since the latest kernel changes which are solved by flashing an older kernel. Reverting all the kernel updates to be able to investigate in more detail.

This reverts commit 2b10458bfec648b08ee71058a2e962754e73c4e7.

Change-Id: Ib9ac977f7b5c9d481637ad4ae6f9d2b6babb9870
Merge "Revert "aries-common: zRAM: only read one page at a time"" into android-4.4