power: smb5: configure WDOG_BARK_IRQ as a wakeup irq

The watchdog irq WDOG_BARK_IRQ is supposed to be able to wake up system
from sleep, but not configured so. Fix it.

Also correct register SNARL_BARK_BITE_WD_CFG_REG address.

CRs-Fixed: 2306080
Change-Id: I88577e67c5fd0dea2f29a3699e72e0396a64fe90
Signed-off-by: Harry Yang <harryy@codeaurora.org>