ARM: dts: apq: Fix configuration of touchscreen on SBC8096

Fix touchscreen configuration:
 1) Change display and panel coordinates.
 2) Remove mapping of touchpad keys.
 3) Add support for firmware update.
 4) Fix I2C clock configuration to BLSP8.

Change-Id: If18bd0396143dc9f21a1b5591a65a547256d64d8
Signed-off-by: Anna Hanna Sedlak Grinbaum <asedla@codeaurora.org>