msm8226: disable logs in user builds

Added checks on target build variant to suppress
LK logs in user variant builds.

CRs-Fixed: 697570
Change-Id: Ia9757ed3cefa2686409c6b2e5c15fb3f25eb13d8
diff --git a/project/msm8226.mk b/project/msm8226.mk
index a165ec1..0476594 100644
--- a/project/msm8226.mk
+++ b/project/msm8226.mk
@@ -6,7 +6,12 @@
 
 MODULES += app/aboot
 
+ifeq ($(TARGET_BUILD_VARIANT),user)
+DEBUG := 0
+else
 DEBUG := 1
+endif
+
 EMMC_BOOT := 1
 ENABLE_SDHCI_SUPPORT := 1