OMAP: UART: Fix the revision register read.
OMAP: UART: Fix the revision register read.

The revision register is a 32 bit register. The serial_in() function reads
only the lower 16 bits of the register. This leads to an incorrect computation
of the Module revision.

Signed-off-by: Ruchika Kharwar <4bac15711b315481f0c0a3501edaa09efbcd2ad4@ti.com>
[33332bc68e0540c258da8ac439b7456799a4178d@ti.com: add some whitespaces]
Signed-off-by: Alexander Savchenko <33332bc68e0540c258da8ac439b7456799a4178d@ti.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs