Fetch inventory path and sensor information from MRW.

Generate output yaml containing inventory to sensor information
mapping by processing MRW and the config file. Sample entry in
the output yaml.

/xyz/openbmc_project/inventory/system/chassis/motherboard/cpu1/core16:
  sensorID: 0x8c
  sensorType: 0x07
  eventReadingType: 0x6F
  offset: 0x08

Change-Id: I34a42b8d81c08fc14849b7d29162433319474cf8
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/Build.PL b/Build.PL
index 9782d09..13c73c4 100644
--- a/Build.PL
+++ b/Build.PL
@@ -9,6 +9,7 @@
                      'gen_fan_zone_yaml.pl',
                      'gen_fru_properties.pl',
                      'gen_ipmi_fru.pl',
+                     'gen_ipmi_sel.pl',
                      'gen_ipmi_sensor.pl',
                      'gen_led_groups.pl',
                      'gen_openpower_fru.pl',