kernel: Add <linux/module.h> to files using it implicitly

These files are doing things like module_put and try_module_get
so they need to call out the module.h for explicit inclusion,
rather than getting it via <linux/device.h> which we ideally want
to remove the module.h inclusion from.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --cc kernel/trace/ftrace.c
Simple merge

diff --cc kernel/trace/trace_syscalls.c
Simple merge