add handler logic to handle i2c pcie commands

Add handler logic to manage the i2c pcie commands and their
corresponding data structure.

Tested: Only ran unit-tests (added new ones).
Change-Id: Ibd65d6745202dbf6bd67cd2cb480914ca6ae4ed1
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/test/Makefile.am b/test/Makefile.am
index 0243d44..b9ad829 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -38,3 +38,7 @@
 check_PROGRAMS += entity_unittest
 entity_unittest_SOURCES = entity_unittest.cpp
 entity_unittest_LDADD = $(top_builddir)/libsyscmds_common.la
+
+check_PROGRAMS += pcie_unittest
+pcie_unittest_SOURCES = pcie_unittest.cpp
+pcie_unittest_LDADD = $(top_builddir)/libsyscmds_common.la