pistachio: sort included header files

Place included header files in alphabetical order.

Change-Id: Ice23178d1f07e2cb0178efbc7ce487d54bf3f708
Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
Reviewed-on: http://review.coreboot.org/10459
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
7 files changed