devices-msm7x27: add msm_device_uart3

Change-Id: I833dc337bc0ee33d2a04c6cf20a4d31ff7c5690f
Signed-off-by: Randolf Kastenmaier <randolf.kastenmaier@gmail.com>

Conflicts:

	arch/arm/mach-msm/devices-msm7x27.c