From e60865572f81fb2687163fd37ea37cd4283e0bce Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 26 Mar 2014 21:40:25 +0100
Subject: [PATCH] MIPS: Fix build error due to multiple prom_putchar()
 definitions.

This can happen if both the generic 8250 and another early console
driver are enable.  Fixed by using an auxilliary kconfig symbol to
restrict that choice.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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