misc/57923: [RB] evbmips: Use $MKREPRO_TIMESTAMP for mkubootimage

[jbglaw%lug-owl.de@localhost]

>Number:         57923
>Category:       misc
>Synopsis:       [RB] evbmips: Use $MKREPRO_TIMESTAMP for mkubootimage
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    misc-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Feb 11 00:35:00 +0000 2024
>Originator:     Jan-Benedict Glaw
>Release:        current
>Organization:
>Environment:
>Description:
One more fix for reproducible builds, this is found for evbmips/mipseb.
>How-To-Repeat:
Build twice, compare build artifacts.
>Fix:
diff --git a/sys/arch/evbmips/conf/Makefile.evbmips.inc b/sys/arch/evbmips/conf/Makefile.evbmips.inc
index d5cf3bb16024..d1856abcb914 100644
--- a/sys/arch/evbmips/conf/Makefile.evbmips.inc
+++ b/sys/arch/evbmips/conf/Makefile.evbmips.inc
@@ -39,6 +39,9 @@ MKUBOOTIMAGEARGS+=    -E $(TEXTADDR)
 MKUBOOTIMAGEARGS+=     -e $(TEXTADDR)
 .endif
 MKUBOOTIMAGEARGS+=      -n "$(MACHINE) ${_OSRELEASE} ($(KERNEL_BUILD:T))"
+.if ${MKREPRO_TIMESTAMP:Uno} != "no"
+MKUBOOTIMAGEARGS+= -t "${MKREPRO_TIMESTAMP}"
+.endif
 
 .if ${NEED_UBOOTIMAGE:Mgz} == "gz"
 MKUBOOTIMAGEARGS+=     -C gz