ARM: pia335x: move to real MACH TYPE id for piA-AM335x boards

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ARM: pia335x: add acceleration sensor

Signed-off-by: Marian Lüder <m.lueder@pironex.de>
ARM: pia335x: adjusted pinmux init for LCD setup

Signed-off-by: Marian Lüder <m.lueder@pironex.de>
ARM: pia335x: fixed pinmux issue
Signed-off-by: Marian Lüder <m.lueder@pironex.de>
ARM: pia335x: moved platform data of acceleration sensor. Added i2cboardinfo and init

Signed-off-by: Marian Lüder <m.lueder@pironex.de>
ARM: pia335x: fix MACH TYPE name

- AM335XPIA -> PIA_AM335X

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ARM: pia335x: apply MACH TYPE change to Makefile as well

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ARM: pia335x: moved acceleration sensor initialisation to mmi setup. Code cleanup.

Signed-off-by: Marian Lüder <m.lueder@pironex.de>