gnu: sunxi-tools: Fix build.

* gnu/packages/patches/sunxi-tools-remove-sys-io.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/admin.scm (sunxi-tools-source): Add it.

gnu/local.mk

@@ -1420,6 +1420,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/sdl-pango-matrix_declarations.patch	\
   %D%/packages/patches/sdl-pango-sans-serif.patch		\
   %D%/packages/patches/sqlite-hurd.patch			\
+  %D%/packages/patches/sunxi-tools-remove-sys-io.patch	\
   %D%/packages/patches/patchutils-test-perms.patch		\
   %D%/packages/patches/patch-hurd-path-max.patch		\
   %D%/packages/patches/perl-autosplit-default-time.patch	\

gnu/packages/admin.scm

@@ -2945,6 +2945,8 @@ (define (sunxi-tools-source version)
              (commit (string-append "v" version))))
        (sha256
         (base32 "04f3jqg8ww4jxsf9c6ddcdgy2xbhkyp0b3l5f1hvvbv94p81rjxd"))
+       (patches
+        (search-patches "sunxi-tools-remove-sys-io.patch"))
        (modules '((guix build utils)))
        (snippet
         ;; Remove binaries contained in the tarball which are only for the

gnu/packages/patches/sunxi-tools-remove-sys-io.patch

@@ -0,0 +1,52 @@
+From 783cbd59fcf086a9aaf603271823fb4ca71f0c55 Mon Sep 17 00:00:00 2001
+From: Danny Milosavljevic <dannym@scratchpost.org>
+Date: Thu, 8 Oct 2020 23:01:05 +0200
+Subject: [PATCH] meminfo: Replace sys/io.h by direct register accesses.
+See: https://github.com/linux-sunxi/sunxi-tools/pull/144
+
+Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
+---
+ meminfo.c | 9 ++++-----
+ 1 file changed, 4 insertions(+), 5 deletions(-)
+
+diff --git a/meminfo.c b/meminfo.c
+index 0b0ff23..3b3a5df 100644
+--- a/meminfo.c
++++ b/meminfo.c
+@@ -22,7 +22,6 @@
+ #include <sys/mman.h>
+ #include <stdint.h>
+ #include <errno.h>
+-#include <sys/io.h>
+ #include <stdbool.h>
+ 
+ #include "common.h"
+@@ -74,24 +73,24 @@ static enum sunxi_soc_version soc_version;
+ unsigned int
+ sunxi_io_read(void *base, int offset)
+ {
+-	return inl((unsigned long) (base + offset));
++	return *(volatile unsigned int*) (base + offset);
+ }
+ 
+ void
+ sunxi_io_write(void *base, int offset, unsigned int value)
+ {
+-	outl(value, (unsigned long) (base + offset));
++	*(volatile unsigned int*) (base + offset) = value;
+ }
+ 
+ void
+ sunxi_io_mask(void *base, int offset, unsigned int value, unsigned int mask)
+ {
+-	unsigned int tmp = inl((unsigned long) (base + offset));
++	unsigned int tmp = sunxi_io_read(base, offset);
+ 
+ 	tmp &= ~mask;
+ 	tmp |= value & mask;
+ 
+-	outl(tmp, (unsigned long) (base + offset));
++	sunxi_io_write(base, offset, tmp);
+ }
+ 
+