atmel_mxt_ts and mxt224e

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Hello,

I had some issues in using the atmel_mxt_ts driver with different mxt224 parts 
(different firmware version, mxt224 vs. mxt224); configuration of the chip
via mxt_platform_data.config is super-fragile when device objects change

mxt_handle_pdata() assumes that certain object table entries are present and
fails on the mxt224e

the patch series aims to support the mxt224e better and adds a message to detect
inconsistencies between config data and the device object table

if there is interest I can propose a more robust mechanism to set the config data;
similar patches are floating around for Android in various trees

thanks, regards, p.

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