pinctrl: export pinctrl_pm_select_*_state

The three functions pinctrl_pm_select_default_state,
pinctrl_pm_select_sleep_state, and pinctrl_pm_select_idle_state
are used in drivers that can be loadable modules, and should
be exported.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/core.c

@@ -1245,6 +1245,7 @@ int pinctrl_pm_select_default_state(struct device *dev)
 		dev_err(dev, "failed to activate default pinctrl state\n");
 	return ret;
 }
+EXPORT_SYMBOL_GPL(pinctrl_pm_select_default_state);
 
 /**
  * pinctrl_pm_select_sleep_state() - select sleep pinctrl state for PM
@@ -1264,6 +1265,7 @@ int pinctrl_pm_select_sleep_state(struct device *dev)
 		dev_err(dev, "failed to activate pinctrl sleep state\n");
 	return ret;
 }
+EXPORT_SYMBOL_GPL(pinctrl_pm_select_sleep_state);
 
 /**
  * pinctrl_pm_select_idle_state() - select idle pinctrl state for PM
@@ -1283,7 +1285,7 @@ int pinctrl_pm_select_idle_state(struct device *dev)
 		dev_err(dev, "failed to activate pinctrl idle state\n");
 	return ret;
 }
-
+EXPORT_SYMBOL_GPL(pinctrl_pm_select_idle_state);
 #endif
 
 #ifdef CONFIG_DEBUG_FS