[Feature][ZXW-65]merged P49 base code

Change-Id: I3e09c0c3d47483bc645f02310380ecb7fc6f4041
diff --git a/ap/build/libps_libs.mk b/ap/build/libps_libs.mk
index f51f92c..64cc7f4 100755
--- a/ap/build/libps_libs.mk
+++ b/ap/build/libps_libs.mk
@@ -133,6 +133,10 @@
 KERNEL_EXT_CFLAGS   += -D_USE_VEHICLE_DC
 endif
 
+ifeq ($(USE_VEHICLE_DC_REF),yes)
+KERNEL_EXT_CFLAGS   += -D_USE_VEHICLE_DC_REF
+endif
+
 KERNEL_EXT_CFLAGS   += -DDDR_BASE_ADDR_LINUX_VA
 
 ifeq ($(USE_BTRUNK_SUPPORT),yes)
@@ -165,5 +169,9 @@
 KERNEL_EXT_CFLAGS   += -D_USE_ZXIC_DEBUG_INFO
 endif
 
+ifeq ($(MODEM_TYPE),lte_only)
+KERNEL_EXT_CFLAGS   += -D_USE_LTE_ONLY
+endif
+
 KERNEL_EXT_CFLAGS += -I$(PUB_ROOT_DIR)/include/infra