staging: xgifb: use XGIRegInit()

Avoid copy-paste and use XGIRegInit() to initialize registers addresses.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/xgifb/XGI_main_26.c
Simple merge

diff --cc drivers/staging/xgifb/vb_init.c
Simple merge

diff --cc drivers/staging/xgifb/vb_init.h
Simple merge

diff --cc drivers/staging/xgifb/vb_setmode.c
Simple merge