tf-cov-make(msm8916): fix msm8916 build

Fixed msm8196 build by adding proper CROSS_COMPILE option.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I5992720a6532906b86927ef9fae770fee0ff7ddf
diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index 4a079fc..b9f1b25 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -715,7 +715,8 @@
 
 # QTI MSM8916 platform
 clean_build PLAT=msm8916 $(common_flags)
-clean_build PLAT=msm8916 $(common_flags) ARCH=aarch32 AARCH32_SP=sp_min
+clean_build PLAT=msm8916 CROSS_COMPILE=arm-none-eabi- $(common_flags) \
+    ARCH=aarch32 AARCH32_SP=sp_min
 clean_build PLAT=msm8916 $(common_flags) SPD=tspd
 
 # Platforms from Aspeed