projects/*/linux: remove CONFIG_ACPI_WMI, CONFIG_HP_WMI, CONFIG_HP_ACCEL, CONFIG_INPUT_POLLDEV, CONFIG_INPUT_SPARSEKMAP support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/*/linux: remove CONFIG_6LOWPAN

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/*/linux: switch back to idle dynticks

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/Generic/linux: switch to tick based cputime accounting

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libdrm: simplify package.mk
Revert "linux: clean up unused modprobe.d/ath9k.conf"

This reverts commit 89847cc83f994ec73dfe8b3980657bcf218cd1b1.