Add atcommand virtual keyboard driver

Change-Id: I01d97b8277dd30c4e50313771a2e9ff17c8d8b39
Signed-off-by: Rashed Abdel-Tawab <rashedabdeltawab@gmail.com>
Migrate LG test mode

Change-Id: I719e2ebdcf1c005a27b4d9fc9ddf5e662a03eb2c
Signed-off-by: Rashed Abdel-Tawab <rashedabdeltawab@gmail.com>

Conflicts:

	drivers/char/diag/diagchar_core.c