Add in-tree nvidia-ipmi-oem provider

This patch adds nvidia-ipmi-oem. The current patch adds support
to 2 commands:
1) GET BIOS PASSWORD
2) SET BIOS PASSWORD

Tested:
1) Tested on patch
https://gerrit.openbmc.org/c/openbmc/openbmc/+/80748

Change-Id: I48599a1b85a3a614c56e7687b8646f7dfe1e7bb1
Signed-off-by: Prithvi Pai <ppai@nvidia.com>
diff --git a/OWNERS b/OWNERS
index 432ca86..a9dd7fb 100644
--- a/OWNERS
+++ b/OWNERS
@@ -45,6 +45,9 @@
 - partial_regex: oem/example
   owners:
   - vernon.mauery@gmail.com
+- partial_regex: oem/nvidia
+  owners:
+  - prithvi24pai@gmail.com
 
 openbmc:
 - name: Adriana Kobylak