Update instructions for SetLanOem and GetLanOem

Refreshed the comment describing how to add OEM commands to the Set
Lan Configuration and Get Lan Configuration functions.

Changing to the Meson build system altered the method.

Tested:
Nothing to test with regard to this commit as it is only altering
documentaton.

Change-Id: I4ec36b5f8b211cf3f1bcec0422e8f1fa71124dc4
Signed-off-by: Johnathan Mantey <johnathanx.mantey@intel.com>
diff --git a/transporthandler.cpp b/transporthandler.cpp
index ba4e4b0..1f8f353 100644
--- a/transporthandler.cpp
+++ b/transporthandler.cpp
@@ -771,19 +771,19 @@
  *     function names below (i.e. setLanOem). The default name for the
  *     transport IPMI commands is transporthandler_oem.cpp.
  *   Add:
- *      EXTRA_OECONF_append = " --enable-transport-oem=yes"
- *   Create a do_compile_prepend()/do_install_append method in your
+ *      EXTRA_OEMESON:append = "-Dtransport-oem=enabled"
+ *   Create a do_configure:prepend()/do_install:append() method in your
  *   bbappend file to copy the file to the build directory.
  *   Add:
  *   PROJECT_SRC_DIR := "${THISDIR}/${PN}"
  *   # Copy the "strong" functions into the working directory, overriding the
  *   # placeholder functions.
- *   do_compile_prepend(){
+ *   do_configure:prepend(){
  *      cp -f ${PROJECT_SRC_DIR}/transporthandler_oem.cpp ${S}
  *   }
  *
  *   # Clean up after complilation has completed
- *   do_install_append(){
+ *   do_install:append(){
  *      rm -f ${S}/transporthandler_oem.cpp
  *   }
  *