[Patch] :Fix ISR return value in i2c-mpc.c

[Scott Wood]

On Fri, 2014-12-12 at 11:17 +0000, Amit Tomar wrote:
> In current scenario, ISR of i2c-mpc.c is returning IRQ_HANDLED for doing nothing which is not right .
> 
> With below patch ISR now return IRQ_NONE for doing nothing and IRQ_HANDLED for doing handler work.

Wrap the commit message at around 65-70 characters, change the subject
to "[PATCH] i2c/mpc: Fix ISR return value", and send to the proper
mailing list/maintainers for i2c (see the MAINTAINERS file).

-Scott