drivers/input: Add module.h to modular drivers implicitly using it

drivers/input: Add module.h to modular drivers implicitly using it

A pending cleanup will mean that module.h won't be implicitly
everywhere anymore.  Make sure the modular drivers in input dir
are actually calling out for <module.h> explicitly in advance.

[with kxtj9 fix from Stephen Rothwell <sfr@canb.auug.org.au>]

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