ci(corstone1000): rename diphda platform to corstone1000

This change is to rename diphda platform to corstone1000

Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
Change-Id: I8648331915bab3d6ab00440bf4de6bd753085e12
diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index 7cf2850..5245630 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -278,11 +278,11 @@
 clean_build $(common_flags) PLAT=morello TARGET_PLATFORM=soc ${ARM_TBB_OPTIONS}
 
 #
-# diphda Platform
+# corstone1000 Platform
 #
 
 make $(common_flags) \
-     PLAT=diphda \
+     PLAT=corstone1000 \
      SPD=spmd \
      TARGET_PLATFORM=fpga \
      ENABLE_STACK_PROTECTOR=strong \