[PATCH] Add support for NetBSD/aarch64eb into pkgsrc/mk

[Rin Okuyama <rokuyama.rk%gmail.com@localhost>]

Hi,

In order to support NetBSD/aarch64eb, we need the patch below:
(provided by ryo@, thanks!)

----
--- pkgsrc/mk/gnu-config/config.guess	13 Nov 2019 19:06:42 -0000	1.22
+++ pkgsrc/mk/gnu-config/config.guess	19 Oct 2020 12:20:42 -0000
@@ -182,6 +182,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAM
 	    "/usr/sbin/$sysctl" 2>/dev/null || \
 	    echo unknown)`
 	case "$UNAME_MACHINE_ARCH" in
+	    aarch64eb) machine=aarch64_be-unknown ;;
 	    armeb) machine=armeb-unknown ;;
 	    arm*) machine=arm-unknown ;;
 	    sh3el) machine=shl-unknown ;;
----

It seems almost trivial. I will commit soon if there's no objection.

Thanks,
rin