update list.h from Linux-5.7 ...

This updates include/linux/list.h from Linux-5.7.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

compiler: Update to v4.19-rc6 ...

This updates include/linux/compiler* to Linux-4.19-rc6.

Among other things this gives us __printf

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

compiler: avoid redefining symbols when running with checker ...

Avoid redefining __user and __kernel if running with a checker
enabled.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

compiler*.h: include/linux/compiler*.h with Linux 4.5 ...

Include <linux/types.h> instead of uapi/linux/types.h.

This is required for READ_ONCE and WRITE_ONCE for upcoming atomic_t.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

build: update compiler*.h to newest versions ...

This adds the support for gcc 5.x and clang.

Signed-off-by: Alexey Galakhov <agalakhov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

define __user empty ...

There is no seperate user address space, so do not generate sparse
warnings for this.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

import recent include/linux/compiler*.h ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

add compiler header files from kernel ...

Add include/linux/compiler*.h from Linux Kernel and remove old
include/compiler.h

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>