thermal: qcom-spmi-temp-alarm: Add support for suspend to disk

Add support to alarm driver for suspend to disk feature.
Free interrupts during hibernation and re-register them during
resume.

Change-Id: Ib0132714a59cc449298e82e8b729f3c6218d8a7a
Signed-off-by: Rama Krishna Phani A <rphani@codeaurora.org>
Signed-off-by: Shyam Kumar Thella <sthella@codeaurora.org>