refactor(ti): remove ti_sci_init function

ti_sci_get_revision handles getting the firmware version and ti_sci_init
is just a wrapper around it with no added benefit.

Refactor the ti_sci_get_revision to give the version information and
remove ti_sci_init wrapper.

Change-Id: I39184af5b00bedc8b9220533f1ddac3b6672d2f1
Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
3 files changed