rtlwifi: rtl8192ce: Fix driver problem when radio switch off at module load

If the radio enable switch is off when the driver is loaded, it is not
possible to get radio output until the driver is unloaded and reloaded
with the switch on.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>