project: msm8974: disable THUMB mode

THUMB mode is causing boot failure with 4.7 compiler. Disabling it
temporarily until proper fix is found.

Change-Id: Iece7f46212efe67ddc11442256a63b6ed1e6b33b
diff --git a/project/msm8974.mk b/project/msm8974.mk
index f8dd988..ab53f9f 100644
--- a/project/msm8974.mk
+++ b/project/msm8974.mk
@@ -14,3 +14,6 @@
 DEFINES += DEVICE_TREE=1
 #DEFINES += MMC_BOOT_BAM=1
 DEFINES += CRYPTO_BAM=1
+
+#Disable thumb mode
+ENABLE_THUMB := false