feat(coverity): add SPMC_AT_EL3=1 build for juno

As juno supports SPMC_AT_EL3 with StandaloneMm,
Add coverity test for patch [0].

Link: https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/38743 [0]t
Change-Id: Iaefc5de8dd8ee3fb1d2d43e14358540730e64b29
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index 4ee391f..d2f31b9 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -297,6 +297,12 @@
 # TRNG Service
 clean_build $juno_common_flags TRNG_SUPPORT=1
 
+# SPMC AT EL3 Support
+clean_build $juno_common_flags BL32=1 NS_TIMER_SWITCH=1 \
+	CSS_NON_SECURE_UART=1 CSS_USE_SCMI_SDS_DRIVER=1 \
+	SPD=spmd  SPMD_SPM_AT_SEL2=0 SPMC_AT_EL3=1 CTX_INCLUDE_EL2_REGS=0 \
+	HOB_LIST=1
+
 #
 # Reference Design Platform RD-N2
 #