u2: BCM4330 Bluetooth Low Power Control driver support

Change-Id: Icc3b24a070a498bda4b874f9ddc6172c901d1aff
u2: use BCM4430 bluetooth device driver

Change-Id: I3f60304fea4546f9c335689f425ff72538f011da
u2: defconfig: disable LBEE9QMB RFKILL BT Control

Change-Id: I8ed244fcdc8542ddb37494b568eee2972ae4d60a
u2: bluetooth: set bluetooth reset gpio to low by default

Setting the BT_NRST to high causes suspend issues.

Change-Id: I3498aeab6da3cf30bea15262c109bbb51358464c
u2: mux: setup pin mux for bluetooth

Change-Id: I7119fc4be78bbfd2c0befdc550f2db37712b9381
mach-lge: enable serial devices before platform devices

This will preserve the resume order by enabling the serial device
first followed by the platform device during resume.

Change-Id: Id6f13db1a752f6fc1f30d7444cdac1b31ef42732