Create separate file for ConfigMgr class

As the ldap_configuration.cpp was getting long
so it is good to create the seprate file for
ConfigMgr.

TestedBy:
         Ran the unit test.

Signed-off-by: Ratan Gupta <ratagupt@linux.vnet.ibm.com>
Change-Id: I312a9f423d4ab3ca4ebd5f17193f7b02162ded6b
diff --git a/phosphor-ldap-config/Makefile.am b/phosphor-ldap-config/Makefile.am
index 0092ae5..101d8a7 100644
--- a/phosphor-ldap-config/Makefile.am
+++ b/phosphor-ldap-config/Makefile.am
@@ -1,11 +1,12 @@
 bin_PROGRAMS = phosphor-ldap-conf
 
-noinst_HEADERS = ldap_configuration.hpp utils.hpp
+noinst_HEADERS = ldap_configuration.hpp ldap_config_mgr.hpp utils.hpp
 
 phosphor_ldap_conf_SOURCES = \
                 main.cpp \
                 utils.cpp \
                 ldap_configuration.cpp \
+                ldap_config_mgr.cpp \
                 ldap_serialize.cpp
 
 phosphor_ldap_conf_LDFLAGS = $(SDBUSPLUS_LIBS) \