defconfigs: enable lz4 compression support

Change-Id: I79f04f3f0870d9528c5b10deb795081d92286cbb
Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>
u8500_hotplug: fix a bug whereby cpu1 won't be onlined on resume

Change-Id: I2c45933e4ad06b917ff6aa531c0518539d472649
Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>