soc: Update lpi device state
Post SSR when audio notifier service up notification
is received lpi_dev_up flag is not updated.
This is causing lpi read/write failures.
Update lpi_dev_up irrespective of initial_boot.
Change-Id: Ifab3709c45144988deb36192d0b1da7da77939d0
Signed-off-by: Sairam Peri <[email protected]>