Update to boost 1.86.0

Update to Boost 1.86.0

Note, there are some internal dependencies that don't pass -Wunused
checks.  Presumably they'll be fixed in 1.86.1, but no reason to hold
off upgrading now.

Note, this is the version we'll pick up in the next yocto update.

Tested: Code compiles

Change-Id: I3a178dc6fc77e9c7e84343257afe238b99a8058e
Signed-off-by: Ed Tanous <etanous@nvidia.com>
diff --git a/meson.build b/meson.build
index de539eb..065be7f 100644
--- a/meson.build
+++ b/meson.build
@@ -274,6 +274,8 @@
     ]
     opt.add_cmake_defines(
         {
+            # 1.86.0 fails this.  Hopefully fixed in 1.86.1
+            'CMAKE_CXX_FLAGS': '-Wno-unused-parameter',
             'BOOST_INCLUDE_LIBRARIES': ';'.join(boost_libs),
             'BUILD_SHARED_LIBS': 'OFF',
         },