Fix syntax error in uvision export tool introduced in previous commit.

Author: theckmts

tools/export/uvision/__init__.py

@@ -135,7 +135,7 @@ class Uvision(Exporter):
         "MCU_NRF51Code.binary_hook",
         "TEENSY3_1Code.binary_hook",
         "LPCTargetCode.lpc_patch",
-        "LPC4088Code.binary_hook"
+        "LPC4088Code.binary_hook",
         "MTSCode.combine_bins_mts_dragonfly",
         "NCS36510TargetCode.ncs36510_addfib",
         "LPC55S69Code.binary_hook",