Make the sshramdisk a bit bigger. Hopefully fixes the build.

Author: brad

distrib/evbarm/instkernel/sshramdisk/Makefile

@@ -1,10 +1,10 @@
-#	$NetBSD: Makefile,v 1.28 2024/05/17 21:31:10 christos Exp $
+#	$NetBSD: Makefile,v 1.29 2025/12/01 21:22:33 brad Exp $
 
 .include <bsd.own.mk>
 .include "${NETBSDSRCDIR}/distrib/common/Makefile.distrib"
 
 IMAGE=		sshramdisk.fs
-IMAGESIZE=	45000k
+IMAGESIZE=	50000k
 MAKEFS_FLAGS+=	-f 15
 
 .if ${MKREPRO_TIMESTAMP:Uno} != "no"