cleanup:remove generated files

removed kernel/arch/arm/include/generated/ and mediatek/custom/out
buildfix:replace system include statements.

Replace system #include <> statements by local #include "" to fix
compilation when doing GPL kernel builds.
buildfix:add missing files copied from benlorenz

While waiting for an officual fix copied the file from
https://github.com/benlorenz/alps-fairphone-gpl.
GPL fix:replace cust_acc.c and cust_alsps.c by official one