Makefile: Fix ordering for (update-)packages

The (update-)packages targets require buildworld and buildkernel to
run first.  Add some .ORDER statements to ensure this happens.

This fixes 'make -j8 buildworld buildkernel packages'.

PR:		289969
Reported by:	yasu
MFC after:	3 days
Reviewed by:	yasu, emaste
Sponsored by:	https://www.patreon.com/bsdivy
Differential Revision:	https://reviews.freebsd.org/D52877

Author: llfw

Makefile

@@ -219,6 +219,8 @@ META_TGT_WHITELIST+=	build${libcompat}
 .ORDER: buildworld distribute
 .ORDER: buildworld distributeworld
 .ORDER: buildworld buildkernel
+.ORDER: buildworld packages
+.ORDER: buildworld update-packages
 .ORDER: distrib-dirs distribute
 .ORDER: distrib-dirs distributeworld
 .ORDER: distrib-dirs installworld
@@ -232,6 +234,8 @@ META_TGT_WHITELIST+=	build${libcompat}
 .ORDER: buildkernel installkernel.debug
 .ORDER: buildkernel reinstallkernel
 .ORDER: buildkernel reinstallkernel.debug
+.ORDER: buildkernel packages
+.ORDER: buildkernel update-packages
 .ORDER: kernel-toolchain buildkernel
 
 # Only sanitize PATH on FreeBSD.