Don't return error information from console_flush

And from crash_console_flush.

We ignore the error information return by console_flush in _every_
place where we call it, and casting the return type to void does not
work around the MISRA violation that this causes. Instead, we collect
the error information from the driver (to avoid changing that API), and
don't return it to the caller.

Change-Id: I1e35afe01764d5c8f0efd04f8949d333ffb688c1
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
diff --git a/plat/qti/qtiseclib/inc/qtiseclib_cb_interface.h b/plat/qti/qtiseclib/inc/qtiseclib_cb_interface.h
index 2252557..deef41c 100644
--- a/plat/qti/qtiseclib/inc/qtiseclib_cb_interface.h
+++ b/plat/qti/qtiseclib/inc/qtiseclib_cb_interface.h
@@ -44,7 +44,7 @@
 
 void qtiseclib_cb_udelay(uint32_t usec);
 
-int qtiseclib_cb_console_flush(void);
+void qtiseclib_cb_console_flush(void);
 
 #if QTI_SDI_BUILD
 int qtiseclib_cb_mmap_remove_dynamic_region(uintptr_t base_va, size_t size);
diff --git a/plat/qti/qtiseclib/src/qtiseclib_cb_interface.c b/plat/qti/qtiseclib/src/qtiseclib_cb_interface.c
index 331a104..bb552c6 100644
--- a/plat/qti/qtiseclib/src/qtiseclib_cb_interface.c
+++ b/plat/qti/qtiseclib/src/qtiseclib_cb_interface.c
@@ -121,7 +121,7 @@
 	udelay(usec);
 }
 
-int qtiseclib_cb_console_flush(void)
+void qtiseclib_cb_console_flush(void)
 {
 	return console_flush();
 }