Install the forth bits on arm64. For now limit it to just arm64 as on x86

these should have been installed as part of the regular loader.

sys/boot/efi/loader/Makefile

@@ -73,13 +73,13 @@ CFLAGS+=	-DEFI_STAGING_SIZE=${EFI_STAGING_SIZE}
 .include	"${.CURDIR}/../../common/Makefile.inc"
 CFLAGS+=	-I${.CURDIR}/../../common
 
-FILES=	loader.efi
+FILES+=	loader.efi
 FILESMODE_loader.efi=	${BINMODE}
 
 LDSCRIPT=	${.CURDIR}/arch/${MACHINE}/ldscript.${MACHINE}
 LDFLAGS+=	-Wl,-T${LDSCRIPT} -Wl,-Bsymbolic -shared
 
-CLEANFILES=	vers.c loader.efi
+CLEANFILES+=	vers.c loader.efi
 
 NEWVERSWHAT=	"EFI loader" ${MACHINE}
 

sys/boot/efi/loader/arch/arm64/Makefile.inc

@@ -9,3 +9,16 @@ CFLAGS+=-I${.CURDIR}/../../arm64/libarm64
 SRCS+=	cache.c
 
 CFLAGS+=	-msoft-float -mgeneral-regs-only
+
+CLEANFILES+=	loader.help
+
+loader.help: help.common
+	cat ${.ALLSRC} | \
+	    awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
+
+.if !defined(LOADER_ONLY)
+.PATH: ${.CURDIR}/../../forth
+.include	"${.CURDIR}/../../forth/Makefile.inc"
+
+FILES+=	loader.rc
+.endif