evita: move mount_all directive to init.qcom.rc

Change-Id: Ic4bacd995c02572e64d64f9dbbbb4434978153e1
evita: update mount options

Change-Id: I68491dbde70c3487af5511cea06163b7d44ba952
evita: mount firmware partitions

Change-Id: Iba2ca96ad8b5172556242da168bc57190a806ddc