Add SMBPBI sensor

This sensor implementation polls readings from a virtual
eeprom i2c device. It can be used to read telemetry and
expose readings on dbus.

Entity Manager configs:
{
        "Address": "0x1f",
        "Bus": 1,
        "ReadOffset": 288,
        "Units": "DegreesC",
        "Name": "Example_0_Temp_0",
        "PollRate": 1.0,
        "MinValue": -128,
        "MaxValue": 127,
        "Thresholds": [
          {
            "Direction": "greater than",
            "Name": "upper non critical",
            "Severity": 0,
            "Value": 90.0
          }
        ],
        "ValueType": "UINT64",
        "Type": "SmbpbiVirtualEeprom"
}

Change-Id: I13a5a82b583a31dd57feb7b3e6929e2a469d4b6d
Signed-off-by: Aushim Nagarkatti <anagarkatti@nvidia.com>
diff --git a/meson.options b/meson.options
index 306a953..00e6fa9 100644
--- a/meson.options
+++ b/meson.options
@@ -95,3 +95,9 @@
     value: 'enabled',
     description: 'Enable Liquid Leak Detector.',
 )
+option(
+    'smbpbi',
+    type: 'feature',
+    value: 'enabled',
+    description: 'Enable SMBPBI sensor.',
+)