gbmcweb: Switch to Release branch

Commit List:
gBMC Team (7):
      Migrate log_services_test.cpp from Gerrit to Google3.
      Internal change
      Add option to allow-non-hardcoded-singlehost-system in gbmcweb.
      Support Crashdump in MultiHost
      Add support for DumpManager crashdump entries in Redfish LogServices
      Add Support For SystemAgnostic CrashDump Reporting
      Enable Crashdump by Default

Tested:
In Commits

fusion2: in comments

Platforms-Affected: All-TTF
Google-Bug-Id: 525041965
Change-Id: I8d1670669fd6e8b93de3fdddfeadbacf4416db35
Signed-off-by: Edward Lee <edwarddl@google.com>
diff --git a/recipes-phosphor/interfaces/gbmcweb.inc b/recipes-phosphor/interfaces/gbmcweb.inc
index 608bfb3..2ce72e7 100644
--- a/recipes-phosphor/interfaces/gbmcweb.inc
+++ b/recipes-phosphor/interfaces/gbmcweb.inc
@@ -1,2 +1,2 @@
-GBMCWEB_SRC_URI = "git://gbmc.googlesource.com/gbmcweb;branch=master;protocol=https"
-GBMCWEB_SRCREV = "a5780197aabe6d41169f6e4f3001603dfd4b626c"
+GBMCWEB_SRC_URI = "git://gbmc.googlesource.com/gbmcweb;branch=gbmc-release-26.25.x;protocol=https"
+GBMCWEB_SRCREV = "6a836a1d28effc5df5e7083bc799c9077954dd6f"