fix(tree): correct some typos

found using codespell (https://github.com/codespell-project/codespell).

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I1bfa797e3460adddeefa916bb68e22beddaf6373
diff --git a/plat/imx/common/include/sci/sci_rpc.h b/plat/imx/common/include/sci/sci_rpc.h
index 60dbc27..b6adf33 100644
--- a/plat/imx/common/include/sci/sci_rpc.h
+++ b/plat/imx/common/include/sci/sci_rpc.h
@@ -100,7 +100,7 @@
 void sc_call_rpc(sc_ipc_t ipc, sc_rpc_msg_t *msg, bool no_resp);
 
 /*!
- * This is an internal function to dispath an RPC call that has
+ * This is an internal function to dispatch an RPC call that has
  * arrived via IPC over an MU. It is called by server-side SCFW.
  *
  * @param[in]     mu          MU message arrived on