ci: build: Never treat warnings as errors

x86 default defconfig sets WERROR, ensure we always unset it.

Signed-off-by: Jorge Marques <jorge.marques@analog.com>

Author: gastmaier

ci/build.sh

@@ -927,6 +927,9 @@ auto_set_kconfig() {
 		sed -i "s/^$i=m/$i=y/" .config
 	done
 
+	# We collect warnings and assert as the last ci step.
+	scripts/config -d WERROR
+
 	return 0
 }