hwmon: qpnp: Add suspend_noirq support for ADC_TM

ADC_TM driver can sleep before the notifications
send to clients on high or low threshold interrupts
during suspend path.

Change-Id: Idb0ef43710e4a1766a1a041522ab2d9850d34d09
Signed-off-by: Dipen Parmar <dipenp@codeaurora.org>