Enable remote SIM protocol log level

It's defined in logging.h for quite some time but is not actually
enabled alongside with other internal logging categories.

Change-Id: I0e7a2add6293a072752900608c8ba34cc3850f31
diff --git a/tests/logging/logging_vty_test.vty b/tests/logging/logging_vty_test.vty
index b190927..895d2bc 100644
--- a/tests/logging/logging_vty_test.vty
+++ b/tests/logging/logging_vty_test.vty
@@ -53,7 +53,7 @@
   logging print level (0|1)
   logging print file (0|1|basename) [last]
   logging set-log-mask MASK
-  logging level (aa|bb|ccc|dddd|eee|lglobal|llapd|linp|lmux|lmi|lmib|lsms|lctrl|lgtp|lstats|lgsup|loap|lss7|lsccp|lsua|lm3ua|lmgcp|ljibuf) (debug|info|notice|error|fatal)
+  logging level (aa|bb|ccc|dddd|eee|lglobal|llapd|linp|lmux|lmi|lmib|lsms|lctrl|lgtp|lstats|lgsup|loap|lss7|lsccp|lsua|lm3ua|lmgcp|ljibuf|lrspro) (debug|info|notice|error|fatal)
   logging level set-all (debug|info|notice|error|fatal)
   logging level force-all (debug|info|notice|error|fatal)
   no logging level force-all