Staging: bcm: Remove macro B_ULONG32 in led_control.h.

This patch removes macro B_ULONG32 in led_control.h
because it is not being used.

Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>