add rebootreason 'apx' to reboot into APX mode.
cardhu: bluetooh: add bluesleep

fixes errors in logcat:

E/bt_upio ( 3994): upio_set : open(/proc/bluetooth/sleep/btwrite)
for write failed: No such file or directory (2)

Change-Id: Ice2cbedccfc8c62918c9d2af20f226b21df849f2
cardhu: disable EEPROM_AT24C02C

Change-Id: I1f93269a5a4ecad4234775250693b9e2b3c1f3fe

Conflicts:
	arch/arm/configs/cyanogenmod_cardhu_defconfig
cardhu: remove EEPROM_AT24C02C

This is not needed in our kernel

Change-Id: Ie85e3dbc7b71f67a6a7caf16de930a4a2aafdf20