tcc_3g_dev: driver for enabling/disabling 3G module.

Simple driver used for switching on/off 3g module in Point Of View
PROTAB2-IPS-3G tablet, and possibly more.

Change-Id: I7e7ba5ce82c615d78cfd2e18c12362c113128f2c
configs: add generic UA defconfig for A1x devices.

Change-Id: Id14d7b7660a03f85a3b5d60bedf4a34a0a83fd8f
bma250: add support for BMA250E sensor.

The BMA250E returns a different Chip ID, but is register compatible
with the "normal" BMA250 (at least as far as this driver is concerned).

Change-Id: Icb4f85ad94d12c89f7f921e62bedb61387fee35b
sun4i_csi: add support for GC2015 sensor.

Used in PROTAB2-IPS-3G and PROTAB2-IPS9 tablets from Point Of View.

Change-Id: I8a9ae18ca830e5995356def948b43184cf6e6ae6