jenkins/static.jpl: Fix MBEDTLS_URL passed as MCUBOOT_URL

Apparently, a copy-paste typo.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Ie8d018b34822fbc0bc4c9e6c50b0b5b62f749efc
diff --git a/jenkins/static.jpl b/jenkins/static.jpl
index 4341b4c..dc8477e 100644
--- a/jenkins/static.jpl
+++ b/jenkins/static.jpl
@@ -21,7 +21,7 @@
     params += string(name: 'MCUBOOT_REFSPEC', value: env.MCUBOOT_REFSPEC)
     params += string(name: 'MCUBOOT_URL', value: env.MCUBOOT_URL)
     params += string(name: 'MBEDTLS_VERSION', value: env.MBEDTLS_VERSION)
-    params += string(name: 'MCUBOOT_URL', value: env.MBEDTLS_URL)
+    params += string(name: 'MBEDTLS_URL', value: env.MBEDTLS_URL)
     params += string(name: 'TFM_TESTS_REFSPEC', value: env.TFM_TESTS_REFSPEC)
     params += string(name: 'TFM_TESTS_URL', value: env.TFM_TESTS_URL)
     params += string(name: 'PSA_ARCH_TESTS_VERSION', value: env.PSA_ARCH_TESTS_VERSION)