net: PPPoLAC and PPPoPNS fix compilation

Fix compilation errors

Signed-off-by: Israel Cepeda <israel4c@gmail.com>
tuna: update hsi init

Update omap hsi init in platform

Signed-off-by: Israel Cepeda <israel4c@gmail.com>
ARM: tuna: update defconfig

Enable just tuna compilation

Signed-off-by: Israel Cepeda <israel4c@gmail.com>
ARM: tuna: enable twl6030 gpadc

Not used currently but planing to use it.

Signed-off-by: Israel Cepeda <israel4c@gmail.com>
ARM: tuna: update defconfig

Update to use more omap drivers new in kernel 3.4

Signed-off-by: Israel Cepeda <israel4c@gmail.com>