staging: r8821ae: Enable build by reverting BROKEN marking

When this driver failed to build in the linux-next tree, Stephen Rothwell
modified Kconfig to disable it. Now that the problems are fixed, that
change can be reverted.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8821ae/Kconfig

@@ -2,7 +2,6 @@ config R8821AE
 	tristate "RealTek RTL8821AE Wireless LAN NIC driver"
 	depends on PCI && WLAN
 	depends on m
-	depends on BROKEN
 	select WIRELESS_EXT
 	select WEXT_PRIV
 	select EEPROM_93CX6