CHROMIUM: config: exynos5: remove assorted PS/2 drivers

CHROMIUM: config: exynos5: remove assorted PS/2 drivers

The exynos5 does not have a PS/2 port, nor does it use an emulated PS/2
for mice or trackpads.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
BUG=none
TEST=builds clean; notice 114 less functions in
     /sys/kernel/debug/tracing/available_filter_functions

Change-Id: I140f23b2d7f16fc4afa3a05f41b1698ba62b2764
Reviewed-on: https://gerrit.chromium.org/gerrit/30697
Reviewed-by: Doug Anderson <dianders@chromium.org>
Commit-Ready: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>