hv: clean up function definitions in console.h

seperate the function definitions into debug/release directories
to better distinguish debug/release libraries

Tracked-On: #861
Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

hypervisor/release/console.c

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2018 Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <hypervisor.h>
+
+size_t console_write(__unused const char *str, __unused size_t len)
+{
+	return 0;
+}
+
+char console_getc(void)
+{
+	return '\0';
+}
+
+void console_putc(__unused const char *ch) {}
+
+void console_init(void) {}
+void console_setup_timer(void) {}
+
+void suspend_console(void) {}
+void resume_console(void) {}
+
+void uart16550_set_property(__unused bool enabled, __unused bool port_mapped, __unused uint64_t base_addr) {}
+
+void shell_init(void) {}
+void shell_kick(void) {}