staging: bcm: clean up a type issue in ConfigureEndPointTypesThroughEEPROM()

We only ever set the highest 4 bytes of ulReg.  This would cause a
problem on big endian systems.  The type should be u32 instead of
unsigned long.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>