mpq8092: msm-uart: Fix gpio config for uart

1. remove direction setting for UART gpio which
are configured in FUNC_2.
2. Correct the GPIO numbers for the UART used in RUMI
& CDP

Change-Id: I8feacf1e7103989af62772a0c1477df6d1711462
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>