split net-snmp-libs into smaller packages

By default `net-snmp-libs` contains all compiled libs.
This commit splits `net-snmp-libs` into subpackages for each library.

This allows for smaller resulting image due to finer packaging.

Resolves openbmc/openbmc#3360

Change-Id: I5a91a142b1394d5e1b672fd23b026d2f1dcffee8
Signed-off-by: Alexander Filippov <a.filippov@yadro.com>
diff --git a/recipes-phosphor/network/phosphor-snmp_git.bb b/recipes-phosphor/network/phosphor-snmp_git.bb
index d4b477c..ced1480 100644
--- a/recipes-phosphor/network/phosphor-snmp_git.bb
+++ b/recipes-phosphor/network/phosphor-snmp_git.bb
@@ -26,6 +26,6 @@
 RDEPENDS_${PN} += "libsystemd"
 RDEPENDS_${PN} += "sdbusplus phosphor-dbus-interfaces"
 RDEPENDS_${PN} += "phosphor-logging"
-RDEPENDS_${PN} += "net-snmp-libs"
+RDEPENDS_${PN} += "net-snmp-lib-netsnmp"
 
 S = "${WORKDIR}/git"