power: qpnp-qg: Skip reading battery-temp in the resume path

Reading the battery-temperature in the system_resume path is
not required. This also leads to VADC stalling as the EOC
irq is not enabled in the no_irq() callback.

Change-Id: I417d46cc07f455792906a18f4b6dc8e5ca8ca3df
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>