ivy: Add BT vendor config

* Resolves issues with bluetooth audio in calls.
* Taken from sonyxperiadev; see:
  https://github.com/sonyxperiadev/device-sony-kitakami/blob/6033244701b60757df33f22b8b6b83815a11ea54/bluetooth/vnd_generic.txt

Change-Id: I8f4f186f2d257bab7242961d542e5724761472a3

BoardConfig.mk

@@ -32,6 +32,7 @@ BOARD_HAVE_BCM_FM := true
 
 # Bluetooth
 BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := $(DEVICE_PATH)/bluetooth
+BOARD_CUSTOM_BT_CONFIG := $(DEVICE_PATH)/bluetooth/vnd_generic.txt
 
 # Init
 TARGET_INIT_VENDOR_LIB := libinit_ivy

bluetooth/vnd_generic.txt

+BLUETOOTH_UART_DEVICE_PORT = "/dev/ttyHS0"
+FW_PATCHFILE_LOCATION = "/system/etc/firmware/"
+FW_PATCHFILE_NAME = "BCM43xx.hcd"
+BT_WAKE_VIA_USERIAL_IOCTL = TRUE
+USERIAL_IOCTL_BT_WAKE_ASSERT = 0x5441
+USERIAL_IOCTL_BT_WAKE_DEASSERT = 0x5442
+USERIAL_IOCTL_BT_WAKE_GET_ST = 0x5443
+FW_PATCH_SETTLEMENT_DELAY_MS = 100
+UART_TARGET_BAUD_RATE = 3000000
+LPM_IDLE_TIMEOUT_MULTIPLE = 5
+LPM_BT_WAKE_POLARITY = 1
+LPM_HOST_WAKE_POLARITY = 1
+SCO_USE_I2S_INTERFACE = FALSE
+SCO_I2SPCM_IF_ROLE = 0
+BTVND_DBG = FALSE
+BTHW_DBG = TRUE
+VNDUSERIAL_DBG = FALSE
+UPIO_DBG = FALSE