power: qpnp-fg-gen4: disable wakeable irqs for debug board

Disable wakeable irqs when debug board is connected, to
allow the device to enter to sleep.

Change-Id: I5b651f2e4e93d3e963f2c5a1c91f5c927c43767c
Signed-off-by: Kavya Nunna <knunna@codeaurora.org>