staging: r8188eu: Remove wrappers for spin_lock_irqsave

There are two such wrappers - _enter_critical() and _enter_critical_ex().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/rtl8188eu/core/rtw_cmd.c
Simple merge

diff --cc drivers/staging/rtl8188eu/core/rtw_recv.c
Simple merge

diff --cc drivers/staging/rtl8188eu/core/rtw_xmit.c
Simple merge

diff --cc drivers/staging/rtl8188eu/include/osdep_service.h
Simple merge

diff --cc drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
Simple merge