Add patch of SONiC Linux kernel DTS file to support Supermicro SSE-G3748 1G switch

[ErichYen]

This patch adds support SONiC Linux Kernel DTS file for Supermicro 1G switch SSE-G3748.
The DTS file is derived from Marvell RD-AC5X reference board dts file ac5-98dx35xx-rd.dts.
SPI flash partition and i2c1 device configuration are modified to meet SSE-G3748 hardware design.

Testing:

1. Tested running M0/PTF32 test suites for this new platform.
2. Verified image partitions
3. Verified uboot and sonic platform functionalities

[linux-foundation-easycla]

• ✅login: ErichYen / (6f2d91a)

The committers listed above are authorized under a signed CLA.

[ErichYen]

Hello SaiKrishna,
This PR #394 is waiting for reviewer to review.
We had a PR #373 by @SelvaSupermicro closed automatically without code merged.
So, I submit this PR again.
Can you help to have someone review/approve it?
Thanks

[ErichYen]

@saiarcot895
This PR #394 is waiting for reviewer to review.
We had a PR #373 by @SelvaSupermicro closed automatically without code committed and merged when we did branch code rebase.
So, I submit this PR again.
Can you help to review/approve it or have someone else to do that?
Thanks