linuxkpi: Make pm_qos.h self-contained

Include <linux/types.h> for false. This is needed by amdgpu somewhere
between Linux 6.12 and 6.15.

Reviewed by: Minsoo Choo <minsoo@minsoo.io>, bz
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D57415

(cherry picked from commit 67df313015906d84d90df8e37795885e81cf8da5)