Add defconfig for A510
Add A510 touchscreen header

Change-Id: Ie65a0c41986d4888ada0cc83044f38495cfd969d
Allow PICASS_M to utilize raw sensitivity values

Change-Id: I92f192b8c89bc54d6f52c1a7a8e8b5601810163f
Dirty hack to force Picasso M board when Picasso M is defined (fixes garbled display)