rtl8188eu: Remove wrapper _rtw_spinlock_init

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
added DKMS support
rtl8188eu: Convert spin lock macros

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Merge branch 'master' of https://github.com/strahlex/rtl8188eu