Bluetooth: Fix kernel hci_dev_open timeout reset
Handle -EALREADY error in hci_sock of hci_dev_open as indication that
    the HCI device is already open. This was causing reset inducing timeout,
    and removed unused/useless check of failure in power-up code.
Merge github.com:Dm47021/Jellybear_kernel_2.6.35.14 into cm10
KGSL; allocate uncached buffers as writecombined