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/oem/meson.build b/oem/meson.build
index 9bae274..54a85ba 100644
--- a/oem/meson.build
+++ b/oem/meson.build
@@ -8,3 +8,7 @@
 if 'example' in oem_opt or 'all' in oem_opt
     subdir('example')
 endif
+
+if 'nvidia' in oem_opt or 'all' in oem_opt
+    subdir('nvidia')
+endif