[RESEND PATCH] ARM :OMAP2+: UART: Remove some of uart default pads

[tony@atomide.com (Tony Lindgren)]

* Govindraj.R <govindraj.raja@ti.com> [120321 03:06]:
> From: "Govindraj.R" <govindraj.raja@ti.com>
> 
> The following commit:
> (7496ba3  ARM: OMAP2+: UART: Add default mux for all uarts)
> added default pads for all uarts. But not all boards tend to
> use all uarts and most of unused uart pins are muxed for
> other purpose. This commit breaks the modules which where trying
> to use unused uart pins on their boards.
> 
> So remove all default pads except uart1/3 as most boards
> tend to use either uart1/3 as console port and use only tx/rx
> lines, declare only those pads for uart1/3.
> If any boards tend to use any other uart other uart1/3
> the mux data should to passed from board file and init individual
> uart port using omap_serial_init_port api.

This is still wrong. We can't mux any serial pins unless specifically
requested from the board-*.c files. So please do a fix to get back to
v3.2 behaviour where you basically revert 7496ba3.

Tony