fix(build): PL18 yaml definition does not get updated by generate_yaml script (#6119)

tools/generate-yaml.sh

@@ -11,7 +11,7 @@ if [[ -n ${GCC_ARM} ]] ; then
   export PATH=${GCC_ARM}:$PATH
 fi
 
-: ${FLAVOR:="t15;tx16s;nv14;pl18;nb4p;x9d;x9dp2019;x9e;xlite;xlites;x7;tpro;t20;f16;gx12;st16"}
+: ${FLAVOR:="t15;tx16s;pl18;nv14;nb4p;x9d;x9dp2019;x9e;xlite;xlites;x7;tpro;t20;f16;gx12;st16"}
 : ${SRCDIR:=$(dirname "$(pwd)/$0")/..}
 
 : ${COMMON_OPTIONS:="-DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_RULE_MESSAGES=OFF -Wno-dev -DDISABLE_COMPANION=YES -DCMAKE_MESSAGE_LOG_LEVEL=WARNING"}