nvl32: Add nvl32 target

Also adds an i2c device class to allow us to send raw i2c

Tested:
ran on the nvl32-obmc model and i2c devices were enumerated correctly.
as well as mctp devices

Change-Id: I073156de2bbe06b06017379de35e076166df3875
Signed-off-by: Marc Olberding <molberding@nvidia.com>
diff --git a/nvidia/nvidia.hpp b/nvidia/nvidia.hpp
index 83d0686..81c01b1 100644
--- a/nvidia/nvidia.hpp
+++ b/nvidia/nvidia.hpp
@@ -9,5 +9,6 @@
 // list your platform initialization callbacks here
 int init_gb200_base();
 int init_gb200_with_p2020();
+int init_nvl32();
 
 } // namespace nvidia