pinctrl: qcom: sc7280: Add PM suspend callbacks

Use PM suspend callbacks from msm core, without this the hog_sleep
pins don't change state in suspend.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1632389487-11283-1-git-send-email-rnayak@codeaurora.org


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>