Bluetooth: Enable BT LPM mode

Allow BT stack to handle LPM management.

Bug: 29471412
Change-Id: Ia2c574dc96a38631405a94b9d153d3b58498bf92
(cherry picked from commit 80ed6f640ef4f07ec2975cdb7129cd53baa97dc0)
diff --git a/BoardConfig.mk b/BoardConfig.mk
index f2d8c5f..a90a60b 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -48,7 +48,6 @@
 BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/lge/bullhead/bluetooth
 BOARD_HAS_QCA_BT_ROME := true
 WCNSS_FILTER_USES_SIBS := true
-BOARD_BLUETOOTH_BDROID_HCILP_INCLUDED := false
 
 BOARD_HAS_QCOM_WLAN := true
 BOARD_WLAN_DEVICE := qcwcn