clk: qcom: gdsc-regulator: Add support to toggle the SW_COLLAPSE bit

Some hardware modules need GDSC to have SW_COLLAPSE
off-on-off sequence to completely disable the hardware.
Add additional toggling for this special case.

CRs-Fixed: 2047449
Change-Id: I2defc6c908fc3de2821111c2a4eb9916c7715537
Signed-off-by: Vicky Wallace <vwallace@codeaurora.org>