rockchip: make_fit_atf: explicitly use python3

On a distribution with no python2 installed and no
python->python3 symlink the script will fail to execute.
Specify python3 explicitly as it's already a requirement
to build u-boot.

Signed-off-by: Jack Mitchell <ml@embed.me.uk>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/arch/arm/mach-rockchip/make_fit_atf.py b/arch/arm/mach-rockchip/make_fit_atf.py
index 3c045a5e179d24264cfc54de1b8b9c4ad3384f7b..c79317d6c51cc3314044a391399f4cc1867d5b43 100755 (executable)
--- a/arch/arm/mach-rockchip/make_fit_atf.py
+++ b/arch/arm/mach-rockchip/make_fit_atf.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """
 # SPDX-License-Identifier: GPL-2.0+
 #