project: msmzirc: Enable boot dev command line

Adding a new macro to support androidboot.bootdevice kernel
command line

Change-Id: If0db25f1974f23d77a0258c556cbe5ed949f42cf
diff --git a/project/msmzirc.mk b/project/msmzirc.mk
index ec959a4..f021b26 100644
--- a/project/msmzirc.mk
+++ b/project/msmzirc.mk
@@ -17,6 +17,7 @@
 DEFINES += DEVICE_TREE=1
 DEFINES += SPMI_CORE_V2=1
 DEFINES += BAM_V170=1
+DEFINES += USE_BOOTDEV_CMDLINE=1
 
 ifeq ($(ENABLE_USB30_SUPPORT),1)
 DEFINES += USB30_SUPPORT=1