pyramid: fstab: Add misc partition

The misc partition is used for certain recovery actions.

Change-Id: I783a8f3b2f60dbe0bc2337ac56fdd5139857a5d3
pyramid: overlay: enable eject sdcard

Change-Id: I485e7f6d330dfd1b2291bcfa52a20f2e04a28fbf
pyramid: Indicate has flashlight