staging: unisys: fix CamelCase in enable_ints_write()

Fix CamelCase variable name:

Features_addr => features_addr

Update references to use the new name.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/unisys/virthba/virthba.c
Simple merge