pinctrl: sirf: add freeze and restore entries for hibernation support

this patch adds hibernation entries so that the sirf platform can
support suspend-to-disk.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/sirf/pinctrl-sirf.c

@@ -440,6 +440,8 @@ static int sirfsoc_pinmux_resume_noirq(struct device *dev)
 static const struct dev_pm_ops sirfsoc_pinmux_pm_ops = {
 	.suspend_noirq = sirfsoc_pinmux_suspend_noirq,
 	.resume_noirq = sirfsoc_pinmux_resume_noirq,
+	.freeze_noirq = sirfsoc_pinmux_suspend_noirq,
+	.restore_noirq = sirfsoc_pinmux_resume_noirq,
 };
 #endif