The if condition !A || A && B can be simplified to !A || B.

Fixes the following Coccinelle/coccicheck warning reported by
excluded_middle.cocci:

	WARNING !A || A && B is equivalent to !A || B

Compile-tested only.
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>