exclude vendor's EMAC driver from doxy

Qinghao Shi · Qinghao Shi · commit b01c8570e556 · 2018-10-31T14:49:21.000Z
diff --git a/doxyfile_options b/doxyfile_options
@@ -849,6 +849,7 @@ EXCLUDE_PATTERNS       = */tools/* \
                          */features/lwipstack/* \
                          */features/nanostack/sal-stack-nanostack/* \
                          */features/nanostack/coap-service/* \
+                         */features/netsocket/emac-drivers/* \
                          */mbed-trace/* \
                          */mbed-coap/* \
                          */nanostack-libservice/* \
