[2/3] p930: Make init script, fstab, and i_*.kl model specific items.

Model specific versions of init.iprj.rc, fstab.iprj, i_atnt-keypad.kl.

Change-Id: Ic656eb460f75ba35ccf514cb22095002f41ac7a5

Get rid of keypad layout, it is not needed.

Change-Id: Ic656eb460f75ba35ccf514cb22095002f41ac7a5
[2/3] p930: ro.product.camera, ro.telephony.ril.v3 are model specific.

Change-Id: I9dcb7c9a687ef9433139fec059d6894ce142589d