AT91 SoC for 5.3

 - fix a pm.c warning with W=1

* tag 'at91-5.3-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  arm: add missing include platform-data/atmel.h
Signed-off-by: Olof Johansson <olof@lixom.net>