doc: update timer hld
Add two new APIs interfaces design
@@ -59,3 +59,9 @@ Interfaces Design
.. doxygenfunction:: get_tsc_khz
:project: Project ACRN
+
+.. doxygenfunction:: timer_is_started
+ :project: Project ACRN
+
+.. doxygenfunction:: udelay
+ :project: Project ACRN
