Merge from bittboy/buildroot@db180c0

package/ofono/0002-fix-musl-compile.patch

@@ -0,0 +1,37 @@
+From 4a1d114fa3a5d6bef1f71222787c1f6c3a952284 Mon Sep 17 00:00:00 2001
+From: Nicolas Serafini <nicolas.serafini@sensefly.com>
+Date: Thu, 24 Jan 2019 10:11:42 +0100
+Subject: [PATCH] mbim: add optional copy of TEMP_FAILURE_RETRY macro (fix musl
+ compile)
+
+TEMP_FAILURE_RETRY is not available on musl.
+
+Signed-off-by: Nicolas Serafini <nicolas.serafini@sensefly.com>
+---
+ drivers/mbimmodem/mbim.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/drivers/mbimmodem/mbim.c b/drivers/mbimmodem/mbim.c
+index 54b18acf..4b040528 100644
+--- a/drivers/mbimmodem/mbim.c
++++ b/drivers/mbimmodem/mbim.c
+@@ -37,6 +37,16 @@
+ #include "mbim-message.h"
+ #include "mbim-private.h"
+ 
++/* taken from glibc unistd.h for musl support */
++#ifndef TEMP_FAILURE_RETRY
++#define TEMP_FAILURE_RETRY(expression)             \
++  (__extension__                                   \
++    ({ long int __result;                          \
++       do __result = (long int) (expression);      \
++       while (__result == -1L && errno == EINTR);  \
++       __result; }))
++#endif
++
+ #define MAX_CONTROL_TRANSFER 4096
+ #define HEADER_SIZE (sizeof(struct mbim_message_header) + \
+ 					sizeof(struct mbim_fragment_header))
+-- 
+2.20.1
+