[OE-core] [PATCH] musl: Update to latest master

[Khem Raj]

* sync APIs from  kernel v4.18
* Misc bug fixes

Full logs
https://git.musl-libc.org/cgit/musl/log/?qt=range&q=39ef612aa193cc6e954ac5a01574300ccd4b7ef9..21a172dd36cae7a08492fd3a7500d7bf0daee13e

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 meta/recipes-core/musl/musl_git.bb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/recipes-core/musl/musl_git.bb b/meta/recipes-core/musl/musl_git.bb
index 046a08aec2..33d6e69130 100644
--- a/meta/recipes-core/musl/musl_git.bb
+++ b/meta/recipes-core/musl/musl_git.bb
@@ -4,7 +4,7 @@
 require musl.inc
 inherit linuxloader
 
-SRCREV = "39ef612aa193cc6e954ac5a01574300ccd4b7ef9"
+SRCREV = "21a172dd36cae7a08492fd3a7500d7bf0daee13e"
 
 PV = "1.1.20+git${SRCPV}"
 
-- 
2.20.1