Ignore usages past 64 bytes in the report

This commit makes it so that the report descriptor parser doesn't
store information about usages located beyond 64 bytes in the report.

We're not currently handling reports longer than 64 bytes anyway and
this protects us from running out of memory on some broken report
descriptors with thousands of declared usages.

firmware/src/descriptor_parser.cc

@@ -32,6 +32,12 @@ void mark_usage(
     uint32_t index = 0,
     uint32_t count = 0,
     uint32_t usage_maximum = 0) {
+    if (bitpos >= (8 * ((report_id == 0) ? 64 : 63))) {
+        // We don't currently handle reports longer than 64 bytes so let's save some memory.
+        // It's probably a broken descriptor anyway.
+        return;
+    }
+
     (*usage_map)[report_id].try_emplace(usage,
         (usage_def_t){
             .report_id = report_id,