net/relayd: fix build on armv6/armv7

Add armv6/armv7 to CLANG_ARCH so OpenBSD's bsd.own.mk knows that we are
building with clang on these.

Approved by:	portmgr (build fix blanket)
MFH:		2023Q4

net/relayd/files/patch-share_mk_bsd.own.mk

@@ -0,0 +1,11 @@
+--- share/mk/bsd.own.mk.orig	2023-11-02 07:25:02 UTC
++++ share/mk/bsd.own.mk
+@@ -15,7 +15,7 @@ SKEY?=		yes
+ # Set `YP' to `yes' to build with support for NIS/YP.
+ YP?=		yes
+
+-CLANG_ARCH=aarch64 amd64 arm i386 mips64 mips64el powerpc powerpc64 riscv64 sparc64
++CLANG_ARCH=aarch64 amd64 arm armv6 armv7 i386 mips64 mips64el powerpc powerpc64 riscv64 sparc64
+ GCC4_ARCH=alpha hppa sh sparc64
+ GCC3_ARCH=m88k
+ LLD_ARCH=aarch64 amd64 arm i386 powerpc powerpc64 riscv64