meta-phosphor: rename mctp package to libmctp

We're about to introduce a package for mctp utilities, called 'mctp'.
However, the libmctp package already uses that name.

This change renames 'mctp' to the upstream name of 'libmctp'.

Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Change-Id: Ia49a40c822e920d3bc36584cbc2c97b83828cfdd
diff --git a/meta-inspur/meta-fp5280g2/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend b/meta-inspur/meta-fp5280g2/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
index c6d0bd9..dc8135f 100644
--- a/meta-inspur/meta-fp5280g2/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
+++ b/meta-inspur/meta-fp5280g2/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
@@ -17,7 +17,7 @@
                                           ${POWER_SERVICE_PACKAGES_FP5280G2} \
                                           phosphor-led-manager \
                                           pldm \
-                                          mctp \
+                                          libmctp \
                                           phosphor-fp5280g2-psu-update \
                                           phosphor-psu-software-manager \
                                           biosconfig-manager \