Read channel configuration from JSON file

Add ipmb-channels.json as one of the files installed
by the recipe along with the new dependence on json
parsing library.

Change-Id: Ia4fea93f4ebadfaeca0b6573a7a2707cc57d0026
Signed-off-by: Amithash Prasad <amithash@fb.com>
diff --git a/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_git.bb b/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_git.bb
index b1208e5..da4fc8b 100644
--- a/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_git.bb
+++ b/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_git.bb
@@ -14,7 +14,9 @@
 DEPENDS = "sdbusplus \
            phosphor-logging \
            i2c-tools \
-           boost"
+           boost \
+           nlohmann-json"
 
 S = "${WORKDIR}/git/"
 inherit cmake systemd
+FILES_${PN} += "/usr/share/ipmbbridge/ipmb-channels.json"