Mondrianwifi: Enable proc/last_kmsg

Change-Id: I5a41d1233f9a308ea57ef3ac40fffd97b2f75531
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
tabpro: defconfig: Use ROW as the default I/O scheduler

The init scripts switch the built-in sdcard to noop and back to
ROW but the external sdcard and usbdisk would previously have
been using noop as their scheduler.

Change-Id: Ia94703a8ea4441eb478184df4bf4db722ad8e76a