ARM: imx_v4_v5_defconfig: Enable gpio regulator and gpio button/keyboard.
ARM: imx_v4_v5_defconfig: Enable gpio regulator and gpio button/keyboard.

The eukrea mbimxsd25 has a gpio regulator for enabling its
  LCD display, it also has a gpio button.

We enable the respective drivers in order to be able to use theses
  features with this configuration.

Cc: Sascha Hauer <c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b@pengutronix.de>
Cc: f99ef57ccac738b558d0fc2e44478b3c5def9522@lists.infradead.org
Cc: Fabio Estevam <679188261afeb60eb822cd934fd7b46a48ddd743@freescale.com>
Cc: Eric Bénard <96f164ad4d9b2b0dacf8ebee2bb1eeb3aa69adf1@eukrea.com>
Signed-off-by: Denis Carikli <e7d361c7f6c045f0c4fa54d2afc4a237f30bc767@eukrea.com>
Signed-off-by: Shawn Guo <912cf7eb7d8018e2943586ae6657d21fd4e38239@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs