Add BL2 support for Broadcom stingray platform

Change-Id: I5daa3f2b4b9d85cb857547a588571a9aa8ad05c2
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
diff --git a/include/drivers/brcm/iproc_gpio.h b/include/drivers/brcm/iproc_gpio.h
new file mode 100644
index 0000000..be971f6
--- /dev/null
+++ b/include/drivers/brcm/iproc_gpio.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2019-2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef IPROC_GPIO_H
+#define IPROC_GPIO_H
+
+#ifdef USE_GPIO
+void iproc_gpio_init(uintptr_t base, int nr_gpios, uintptr_t pinmux_base,
+		     uintptr_t pinconf_base);
+#else
+static void iproc_gpio_init(uintptr_t base, int nr_gpios, uintptr_t pinmux_base,
+			    uintptr_t pinconf_base)
+{
+}
+#endif /* IPROC_GPIO */
+
+#endif /* IPROC_GPIO_H */