uclibc: arc: bump to 8af9dc8

This will resolve uClibc build error for configurations without large file
support.

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/uclibc/Config.in

@@ -42,7 +42,7 @@ config BR2_UCLIBC_VERSION_STRING
 	default 0.9.31.1	if BR2_UCLIBC_VERSION_0_9_31
 	default 0.9.32.1	if BR2_UCLIBC_VERSION_0_9_32
 	default 0.9.33.2	if BR2_UCLIBC_VERSION_0_9_33
-	default "arc-4.8-R3"	if BR2_arc
+	default "8af9dc8f714d20a68df034f6ed1ededc2d752f5b" if BR2_arc
 	default "7bf35c8b7d4a1f97174eb49f47f33946b282114c" if BR2_UCLIBC_VERSION_XTENSA_GIT
 	default BR2_USE_UCLIBC_SNAPSHOT	if BR2_UCLIBC_VERSION_SNAPSHOT