driver core: drivers/base/sys.c: update comments

There are no functions named sys_device_shutdown or sys_device_suspend
in the kernel.
They should be fixed to sysdev_shutdown and sysdev_suspend respectively.

Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 75dd6e2..3ca9c5e 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -355,7 +355,7 @@
  *	sysdev_suspend - Suspend all system devices.
  *	@state:		Power state to enter.
  *
- *	We perform an almost identical operation as sys_device_shutdown()
+ *	We perform an almost identical operation as sysdev_shutdown()
  *	above, though calling ->suspend() instead. Interrupts are disabled
  *	when this called. Devices are responsible for both saving state and
  *	quiescing or powering down the device.
@@ -437,7 +437,7 @@
 /**
  *	sysdev_resume - Bring system devices back to life.
  *
- *	Similar to sys_device_suspend(), but we iterate the list forwards
+ *	Similar to sysdev_suspend(), but we iterate the list forwards
  *	to guarantee that parent devices are resumed before their children.
  *
  *	Note: Interrupts are disabled when called.