[nvidia-bluefield] Add config inclusions for Nvidia Bluefield-3 DPU (s…

…onic-net#380)

* [nvidia-bluefield] Add config inclusions for Nvidia Bluefield-3 DPU

Nvidia BF-3 Data Processing Unit is a 400 gigabits per second (Gb/s) infrastructure compute platform with
line-rate processing of software-defined networking. Nvidia BF-3 DPU can be used as a standalone appliance
as well as one of the modules in the Smart Switch device.

Signed-off-by: Oleksandr Ivantsiv <oivantsiv@nvidia.com>
Co-authored-by: Vivek Reddy <vkarri@nvidia.com>

* Handle review comments.

---------

Signed-off-by: Oleksandr Ivantsiv <oivantsiv@nvidia.com>
Co-authored-by: Vivek Reddy <vkarri@nvidia.com>
Co-authored-by: Saikrishna Arcot <sarcot@microsoft.com>

patch/kconfig-inclusions

@@ -200,4 +200,10 @@ CONFIG_I2C_MUX_GPIO=m
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_OF_PARTS=y
 
+[nvidia-bluefield]
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_PLTFM=y
+CONFIG_MMC_DW_BLUEFIELD=y
+CONFIG_EFIVAR_FS=y
+
 [mellanox-arm64]