ACPICA: Use %d for signed int print formatting instead of %u

[ Upstream commit f8ddf49b420112e28bdd23d7ad52d7991a0ccbe3 ]

Fix warnings found using static analysis with cppcheck, use %d printf
format specifier for signed ints rather than %u

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>