lm-sensors: fix musl compatibility

Only use `asm/io.h` for uClibc, else include `sys/io.h`

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

utils/lm-sensors/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2014 OpenWrt.org
+# Copyright (C) 2006-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=lm-sensors
 PKG_VERSION:=3.3.5
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=lm_sensors-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=http://dl.lm-sensors.org/lm-sensors/releases

utils/lm-sensors/patches/100-musl-compat.patch

@@ -0,0 +1,44 @@
+--- a/prog/dump/isadump.c
++++ b/prog/dump/isadump.c
+@@ -38,7 +38,7 @@
+ 
+ 
+ /* To keep glibc2 happy */
+-#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 0
++#if !defined(__UCLIBC__)
+ #include <sys/io.h>
+ #else
+ #include <asm/io.h>
+--- a/prog/dump/isaset.c
++++ b/prog/dump/isaset.c
+@@ -34,7 +34,7 @@
+ 
+ 
+ /* To keep glibc2 happy */
+-#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 0
++#if !defined(__UCLIBC__)
+ #include <sys/io.h>
+ #else
+ #include <asm/io.h>
+--- a/prog/dump/superio.c
++++ b/prog/dump/superio.c
+@@ -21,7 +21,7 @@
+ 
+ #include <stdlib.h>
+ 
+-#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 0
++#if !defined(__UCLIBC__)
+ #include <sys/io.h>
+ #else
+ #include <asm/io.h>
+--- a/prog/dump/util.c
++++ b/prog/dump/util.c
+@@ -12,7 +12,7 @@
+ #include "util.h"
+ 
+ /* To keep glibc2 happy */
+-#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 0
++#if !defined(__UCLIBC__)
+ #include <sys/io.h>
+ #else
+ #include <asm/io.h>