This patch update Mediatek port to use the `DEFINE_BAKERY_LOCK` macro instead of
specifying the exact data structure to use for a bakery lock and the input
linker section that it should be allocated to.

Change-Id: I2116dbe27010bb46d7cc64fafef55c7240c4c721

1. SEJ should not be one of the wake up sources

BUG=chrome-os-partner:38426
TEST=powerd_dbus_suspend

Change-Id: If8f3f19a885e66d7c10b472c2e3182a5affa4773
Signed-off-by: kenny liang <kenny.liang@mediatek.com>

- Boot up 4 cores.
- Add a generic UART driver.
- Add generic CPU helper functions
- Supoort suspend
- Add system_off & system_reset implementation
- Add crash console reporting implementation
- Add get_sys_suspend_power_state() for PSCI 1.0 SYSTEM_SUSPEND
- Add Mediatek SIP runtime service
- Add delay timer platform implementation

Change-Id: I44138249f115ee10b9cbd26fdbc2dd3af04d825f
Signed-off-by: CC Ma <cc.ma@mediatek.com>
Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>