Squashed commit of the following:

commit 84047fbcd16ad9f8a12a4e99d515d0c14ca18432
Author: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date:   Tue Aug 5 17:56:10 2014 +0900

    plum-MA: dts: rename duplicated node.

commit 016d91bad54255c74d86bb0815876b51eba19daa
Author: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date:   Tue Aug 5 17:35:41 2014 +0900

    plum-MA: dts: fix KYM11 XIO interrupt GPIO.

commit bb64bc70a8b87b6b7de26a5f29c9ba9eba3fd669
Author: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date:   Tue Aug 5 16:53:09 2014 +0900

    plum-MA: update default config.

commit 2bbfd913f8af61c7133f6ee09c26f9594be66923
Author: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date:   Tue Aug 5 16:52:07 2014 +0900

    plum-MA: dts: add KYM11 XIO interrupt GPIO node.

commit 13a2750a648d7e85686c2e82db13a3bab6a54653
Author: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date:   Tue Aug 5 16:51:37 2014 +0900

    drivers: gpio: gpio-xioirq: remove debug print.

commit d3b8f5cacfcbd2450239ee67044f357d8a4f639a
Author: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date:   Tue Aug 5 16:49:45 2014 +0900

    drivers: gpio: gpiolib: remove debug print (revert).

commit 9b4b4ea149f64991fc1eb67ef4190b23ed2e9d64
Author: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date:   Tue Aug 5 16:37:46 2014 +0900

    plum-MA: dts: add LISA-U200 XIO interrupt GPIO node.

commit 5825d3782b2f11a621d42651ad0dd7ad9fb5ef95
Author: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date:   Tue Aug 5 16:36:38 2014 +0900

    drivers/gpio: add support for Plum-MA eXternal IO interrupt GPIO.

(cherry picked from commit 1b9bca2f14a4cf8785ccb76298057fec5749e02c)