Staging: bcm: Fix warning: "do {} while (0) macros should not be semicolon...

Staging: bcm: Fix warning: "do {} while (0) macros should not be semicolon terminated" in led_control.h

This patch properly fixes the warning "do {} while
(0) macros should not be semicolon terminated" as
reported by checkpath.pl

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